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college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.7
Reduce the following radical: $\sqrt[12]{x^{6} y^{9}}$
$\sqrt[4]{x^{2} y^{3}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\sqrt[4]{x^{2} y^{3}}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.40
Add or subtract the rational expressions and simplify: $\frac{2 r}{r^{2}-s^{2}}+\frac{1}{r+s}-\frac{1}{r-s}$
$\frac{2}{r+s}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{2}{r+s}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.6.8
Solve the absolute value equation: $|3-x|=6$
$-3,9$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-3,9
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.82
Simplify: $\left(3-7 n^{2}\right)+\left(6 n^{2}+3\right)$
$-n^{2}+6$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-n^{2}+6
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.7
Add or subtract the rational expressions and simplify: $\frac{5}{6 r}-\frac{5}{8 r}$
$\frac{5}{24 r}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{5}{24 r}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.10.4
A dealer bought a number of sheep for $\$ 440$. After 5 had died he sold the remainder at a profit of $\mathbb{\$} 2$ each making a profit of $\mathbb{\$} 60$ for the sheep. How many sheep did he originally purchase?
55
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
55
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.33
Combine the following radicals: $\sqrt[3]{3 x y^{2} z} \sqrt[4]{9 x^{3} y z^{2}}$
$x \sqrt[12]{59049 x y^{11} z^{10}}$
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college_math.algebra
x \sqrt[12]{59049 x y^{11} z^{10}}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.6.33
Solve the following equation: $(x-3)^{2}-2(x-3)=35$
$-2,10$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-2,10
college_math.Beginning_and_Intermediate_Algebra
exercise.7.6.17
Solve the proportion: $\frac{v-5}{v+6}=\frac{4}{9}$
$v=\frac{69}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
v=\frac{69}{5}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.40
Find the product: $(3 a-8)(3 a+8)$
$9 a^{2}-64$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
9 a^{2}-64
college_math.Beginning_and_Intermediate_Algebra
exercise.8.2.22
Simplify: $4 \sqrt[3]{250 a^{6}}$
$20 a^{2} \sqrt[3]{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
20 a^{2} \sqrt[3]{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.2.5.5
Find the slope of a line parallel to the given line: $x-y=4$
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
1
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.10
You lend out $\$ 5500$ at $10 \%$ compounded monthly. If the debt is repaid in 18 months, what is the total owed at the time of repayment?
6386.12
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
6386.12
college_math.Beginning_and_Intermediate_Algebra
exercise.7.1.33
Simplify: $\frac{9 v+54}{v^{2}-4 v-60}$
$\frac{9}{v-10}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{9}{v-10}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.18
Find the square: $(v+4)^{2}$
$v^{2}+8 v+16$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
v^{2}+8 v+16
college_math.Beginning_and_Intermediate_Algebra
exercise.5.7.11
Divide: $\frac{n^{2}+13 n+32}{n+5}$
$n+8-\frac{8}{n+5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
n+8-\frac{8}{n+5}
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.67
Evaluate the expression: $\left(-\frac{1}{2}\right)+\frac{3}{2}$
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
1
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.16
Simplify the expression: $\frac{1}{a-6} \cdot \frac{8 a+80}{8}$
$\frac{a+10}{a-6}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{a+10}{a-6}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.8
Solve: $(5 x+1)^{4}=16$
$\frac{1}{5},-\frac{3}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{1}{5},-\frac{3}{5}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.3
Find the value that completes the square and then rewrite as a perfect square: $m^{2}-36 m+$
$324 ;(m-18)^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
324 ;(m-18)^{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.4.17
Solve the equation: $\frac{16}{9}=-\frac{4}{3}\left(-\frac{4}{3} n-\frac{4}{3}\right)$
0
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
0
college_math.Beginning_and_Intermediate_Algebra
exercise.2.5.1
Find the slope of a line parallel to the given line: $y=2 x+4$
2
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
2
college_math.Beginning_and_Intermediate_Algebra
exercise.4.3.1
Solve the following system of equations by elimination: $4 x+2 y=0$ $-4 x-9 y=-28$
$(-2,4)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
(-2,4)
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.23
Solve the compound inequality and give interval notation: $-5 b+10 \leqslant 30$ and $7 b+2 \leqslant-40$
No solution : $\oslash$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
No solution : $\oslash
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.23
Simplify: $3 \sqrt{24}-3 \sqrt{27}+2 \sqrt{6}+2 \sqrt{8}$
$8 \sqrt{6}-9 \sqrt{3}+4 \sqrt{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
8 \sqrt{6}-9 \sqrt{3}+4 \sqrt{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.4.24
Simplify: $\frac{\sqrt{12}}{\sqrt{3}}$
2
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college_math.algebra
2
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.33
Simplify: $2 \sqrt[4]{2}+2 \sqrt[4]{3}+3 \sqrt[4]{64}-\sqrt[4]{3}$
$2 \sqrt[4]{2}+\sqrt[4]{3}+6 \sqrt[4]{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
2 \sqrt[4]{2}+\sqrt[4]{3}+6 \sqrt[4]{4}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.21
Simplify: $\frac{3 n m^{2}}{3 n}$
$m^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
m^{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.9
Simplify the expression: $\frac{7 r}{7 r(r+10)} \div \frac{r-6}{(r-6)^{2}}$
$\frac{r-6}{r+10}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{r-6}{r+10}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.10
Solve each equation by completing the square: $n^{2}-8 n-12=0$
$4+2 \sqrt{7}, 4-2 \sqrt{7}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
4+2 \sqrt{7}, 4-2 \sqrt{7}
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.66
Simplify: $9(6 b+5)-4 b(b+3)$
$-42 b-45-4 b^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-42 b-45-4 b^{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.15
Solve: $(2 x-3)^{\frac{2}{3}}=4$
$\frac{11}{2},-\frac{5}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{11}{2},-\frac{5}{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.0.3.3
Solve: $3+(8) \div|4|$
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
5
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.18
Simplify and leave your answer as an improper fraction: $\frac{126}{108}$
$\frac{7}{6}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{7}{6}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.6.5
Solve the absolute value equation: $|5+8 a|=53$
$6,-\frac{29}{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
6,-\frac{29}{4}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.45
Simplify the following expression: $\frac{\sqrt[3]{(2 x+1)^{2}}}{\sqrt[5]{(2 x+1)^{2}}}$
$\sqrt[15]{(2 x+1)^{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\sqrt[15]{(2 x+1)^{4}}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.6.27
Simplify and express with positive exponents: $\left(\frac{m^{\frac{3}{2}} n^{-2}}{\left(m n^{\frac{4}{3}}\right)^{-1}}\right)^{\frac{7}{4}}$
$\frac{m^{\frac{35}{8}}}{n^{\frac{7}{6}}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{m^{\frac{35}{8}}}{n^{\frac{7}{6}}}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.30
Simplify: $\frac{2 b a^{7} \cdot 2 b^{4}}{b a^{2} \cdot 3 a^{3} b^{4}}$
$\frac{4 a^{2}}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{4 a^{2}}{3}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.8.3
Convert $11.2 \mathrm{mg}$ to grams.
$0.0112 \mathrm{~g}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
0.0112 \mathrm{~g}
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.32
Solve the compound inequality and give interval notation: $-9 m+2<-10-6 m$ or $-m+5 \geqslant 10+4 m$
$m>4$ or $m \leqslant-1:(-\infty,-1] \cup(4, \infty)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
m>4$ or $m \leqslant-1:(-\infty,-1] \cup(4, \infty)
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.1
Solve the compound inequality and give interval notation: $\frac{n}{3} \leqslant-3$ or $-5 n \leqslant-10$
$n \leqslant-9$ or $n \geqslant 2:(-\infty,-9] \cup[2, \infty)$
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college_math.algebra
n \leqslant-9$ or $n \geqslant 2:(-\infty,-9] \cup[2, \infty)
college_math.Beginning_and_Intermediate_Algebra
exercise.9.5.2
Find a quadratic equation with the solutions 3 and 6.
$x^{2}-9 x+18=0$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
x^{2}-9 x+18=0
college_math.Beginning_and_Intermediate_Algebra
exercise.1.1.24
Solve the equation: $m-4=-13$
-9
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-9
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.5
Evaluate using the given values: $c^{2}-(a-1)$; $a=3$ and $c=5$
23
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
23
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.30
Solve: $5 x^{2}=-26+10 x$
$\frac{5+i \sqrt{105}}{5}, \frac{5-i \sqrt{105}}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{5+i \sqrt{105}}{5}, \frac{5-i \sqrt{105}}{5}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.7.21
Hooke's law states that the distance that a spring is stretched by hanging object varies directly as the mass of the object. If the distance is $20 \mathrm{~cm}$ when the mass is $3 \mathrm{~kg}$, what is the distance when the mass is $5 \mathrm{~kg}$ ?
$33.3 \mathrm{~cm}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
33.3 \mathrm{~cm}
college_math.Beginning_and_Intermediate_Algebra
exercise.4.6.12
How many kilograms of soil supplement that costs $\$ 7.00$ per kilogram must be mixed with $20 \mathrm{~kg}$ of aluminum nitrate that costs $\$ 3.50$ per kilogram to make a fertilizer that costs $\$ 4.50$ per kilogram?
8
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
8
college_math.Beginning_and_Intermediate_Algebra
exercise.1.3.29
Solve: $-a-5(8 a-1)=39-7 a$
-1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-1
college_math.Beginning_and_Intermediate_Algebra
exercise.1.8.22
Let the first angle of a triangle be $x$ degrees. Find the measures of the second and third angles.
$28,84,68$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
28,84,68
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.34
Given the points $(-2,y)$ and $(2,4)$ and a slope of $\frac{1}{4}$, find the value of $y$.
3
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
3
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.76
Evaluate the expression: $(-1)-\left(-\frac{1}{3}\right)$
$-\frac{2}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-\frac{2}{3}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.25
Simplify: $-2 \sqrt[3]{16}+2 \sqrt[3]{16}+2 \sqrt[3]{2}$
$2 \sqrt[3]{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
2 \sqrt[3]{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.24
Simplify the expression: $\frac{2 n^{2}-12 n-54}{n+7} \div(2 n+6)$
$\frac{n-9}{n+7}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{n-9}{n+7}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.5.38
Find the product: $5(2 x-1)(4 x+1)$
$40 x^{2}-10 x-5$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
40 x^{2}-10 x-5
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.9
$\$ 1750$ is invested in an account earning $13.5 \%$ interest compounded monthly for a 2 year period. What is the balance at the end of 9 years?
2288.98
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
2288.98
college_math.Beginning_and_Intermediate_Algebra
exercise.1.2.18
Solve the equation: $-8+\frac{n}{12}=-7$
12
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
12
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.52
Evaluate the expression: $i^{251}$
$-i$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-i
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.20
Solve each equation by completing the square: $m^{2}-8 m-3=6$
$9,-1$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
9,-1
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.75
Evaluate the expression: $\frac{3}{2}-\frac{15}{8}$
$-\frac{3}{8}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-\frac{3}{8}
college_math.Beginning_and_Intermediate_Algebra
exercise.10.5.32
Solve the equation: $\log _{2}-8 r=1$
$-\frac{1}{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-\frac{1}{4}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.3.28
Solve: $-8 n-19=-2(8 n-3)+3 n$
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
5
college_math.Beginning_and_Intermediate_Algebra
exercise.1.9.18
A pitcher is 30 years old, and a vase is 22 years old. How many years ago was the pitcher twice as old as the vase?
14
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
14
college_math.Beginning_and_Intermediate_Algebra
exercise.0.1.35
Find product: $(-4)(-2)$
8
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
8
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.4
Simplify: $5+(-6-6 i)$
$-1-6 i$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-1-6 i
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.38
Given the points $(2,-5)$ and $(3, y)$ and a slope of 6, find the value of $y$.
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
1
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.34
Simplify: $\frac{y x^{2} \cdot\left(y^{4}\right)^{2}}{2 y^{4}}$
$\frac{y^{5} x^{2}}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{y^{5} x^{2}}{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.5.9
Solve: $\frac{\frac{3}{2 a-3}+2}{\frac{-6}{2 a-3}-4}$
$-\frac{1}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-\frac{1}{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.5.18
Find a quadratic equation with the solutions $\frac{5}{3}$ and $-\frac{1}{2}$.
$6 x^{2}-7 x-5=0$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
6 x^{2}-7 x-5=0
college_math.Beginning_and_Intermediate_Algebra
exercise.8.1.22
Simplify: $-2 \sqrt{128 n}$
$-16 \sqrt{2 n}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-16 \sqrt{2 n}
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.40
Find quotient: $-2 \div \frac{-3}{2}$
$\frac{4}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{4}{3}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.6
Reduce the following radical: $\sqrt[15]{x^{9} y^{12} z^{6}}$
$\sqrt[5]{x^{3} y^{4} z^{2}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\sqrt[5]{x^{3} y^{4} z^{2}}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.3.21
Build up each fraction by finding the Least Common Denominator: $\frac{3 a}{5 b^{2}}, \frac{2}{10 a^{3} b}$
$\frac{6 a^{4}}{10 a^{3} b^{2}}, \frac{2 b}{10 a^{3} b^{2}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{6 a^{4}}{10 a^{3} b^{2}}, \frac{2 b}{10 a^{3} b^{2}}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.5.1
Solve: $\frac{1+\frac{1}{x}}{1-\frac{1}{x^{2}}}$
$\frac{x}{x-1}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{x}{x-1}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.1.21
Simplify: $-7 \sqrt{64 x^{4}}$
$-56 x^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
-56 x^{2}
college_math.Beginning_and_Intermediate_Algebra
exercise.5.4.7
Simplify the expression $x^{2}+9 x+23$ when $x=-3$.
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
5
college_math.Beginning_and_Intermediate_Algebra
exercise.5.2.36
Simplify. Your answer should contain only positive expontents: $\left(\frac{\left(2 x^{-3} y^{0} z^{-1}\right)^{3} \cdot x^{-3} y^{2}}{2 x^{3}}\right)^{-2}$
$\frac{x^{30} z^{6}}{16 y^{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{x^{30} z^{6}}{16 y^{4}}
college_math.Beginning_and_Intermediate_Algebra
exercise.10.5.21
Evaluate the expression: $\log _{2} 64$
6
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
6
college_math.Beginning_and_Intermediate_Algebra
exercise.10.7.3
Find the value: $\sin 75^{\circ}$
0.9659
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
0.9659
college_math.Beginning_and_Intermediate_Algebra
exercise.9.1.12
Solve: $\sqrt{7 x+2}-\sqrt{3 x+6}=6$
46
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
46
college_math.Beginning_and_Intermediate_Algebra
exercise.8.6.34
Simplify and express with positive exponents: $\left(\frac{y^{\frac{1}{3}} y^{-2}}{\left(x^{\frac{5}{3}} y^{3}\right)^{-\frac{3}{2}}}\right)^{\frac{3}{2}}$
$x^{\frac{15}{4}} y^{\frac{17}{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
x^{\frac{15}{4}} y^{\frac{17}{4}}
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.28
Solve the equation for $x$: $\frac{x}{x+1}-\frac{3}{x+3}=\frac{-2 x^{2}}{x^{2}+4 x+3}$
1
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college_math.algebra
1
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.37
Distribute: $-8(x-4)$
$-8 x+32$
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college_math.algebra
-8 x+32
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.51
Evaluate the expression: $i^{73}$
$i$
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college_math.algebra
i
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.52
Distribute: $2 x(8 x-10)$
$16 x^{2}-20 x$
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college_math.algebra
16 x^{2}-20 x
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.4
Simplify the expression: $\frac{9 m}{5 m^{2}} \cdot \frac{7}{2}$
$\frac{63}{10 m}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{63}{10 m}
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.30
Evaluate the expression: $\frac{-4+2 i}{3 i}$
$\frac{4 i+2}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{4 i+2}{3}
college_math.Beginning_and_Intermediate_Algebra
exercise.10.1.8
Specify the domain of the function: $f(x)=\frac{-2}{x^{2}-3 x-4}$
$x \neq-1,4$
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college_math.algebra
x \neq-1,4
college_math.Beginning_and_Intermediate_Algebra
exercise.5.5.13
Find the product: $(3 v-4)(5 v-2)$
$15 v^{2}-26 v+8$
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college_math.algebra
15 v^{2}-26 v+8
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.9
Solve the equation for $m$: $\frac{3 m}{2 m-5}-\frac{7}{3 m+1}=\frac{3}{2}$
-5
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college_math.algebra
-5
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.26
Find the slope of the line through the points $(11,-2)$ and $(1,17)$.
$-\frac{19}{10}$
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college_math.algebra
-\frac{19}{10}
college_math.Beginning_and_Intermediate_Algebra
exercise.1.10.21
A motorboat leaves a harbor and travels at an average speed of $18 \mathrm{mph}$ to an island. The average speed on the return trip was $12 \mathrm{mph}$. How far was the island from the harbor if the total trip took $5 \mathrm{~h}$?
36
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
36
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.19
Find the square: $(x-8)^{2}$
$x^{2}-16 x+64$
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college_math.algebra
x^{2}-16 x+64
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.31
Simplify the expression: $\frac{x^{2}-12 x+32}{x^{2}-6 x-16} \cdot \frac{7 x^{2}+14 x}{7 x^{2}+21 x}$
$\frac{x-4}{x+3}$
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college_math.algebra
\frac{x-4}{x+3}
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.7
A thousand dollars is left in a bank savings account drawing $7 \%$ interest, compounded quarterly for 10 years. What is the balance at the end of that time?
2001.60
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
2001.60
college_math.Beginning_and_Intermediate_Algebra
exercise.10.1.7
Specify the domain of the function: $f(x)=\sqrt{x-16}$
$x \geqslant 16$
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college_math.algebra
x \geqslant 16
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.24
Solve the equation for $x$: $\frac{x}{x+3}-\frac{4}{x-2}=\frac{-5 x^{2}}{x^{2}+x-6}$
-1
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college_math.algebra
-1
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.6
Find the principal that will amount to $\$ 1750$ if invested at $3 \%$ interest compounded quarterly for 5 years.
1507.08
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college_math.algebra
1507.08
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.24
Add or subtract the rational expressions and simplify: $\frac{3 a}{4 a-20}+\frac{9 a}{6 a-30}$
$\frac{9 a}{4(a-5)}$
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college_math.algebra
\frac{9 a}{4(a-5)}
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.18
Solve: $(x-1)^{-\frac{5}{3}}=32$
$\frac{9}{8}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
\frac{9}{8}
college_math.Beginning_and_Intermediate_Algebra
exercise.4.3.24
Solve the following system of equations by elimination: $3 x+7 y=-8$ $4 x+6 y=-4$
$(2,-2)$
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college_math.algebra
(2,-2)