Problem
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115
| Answer
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5
|
|---|---|
What is 2 plus 2?
|
4
|
f(x) = 3; x * 2
|
6
|
f(x) = 2!; 4(x + 1)
|
12
|
f(y) = 2!; 2(y + 5)
|
14
|
What is 15 - 8?
|
7
|
What is 6 × 7?
|
42
|
What is 144 ÷ 12?
|
12
|
What is 5²?
|
25
|
What is √64?
|
8
|
What is 3³?
|
27
|
f(x) = x + 5; x = 10
|
15
|
f(x) = 2x - 3; x = 4
|
5
|
f(x) = x²; x = 5
|
25
|
f(x) = 3x + 7; x = 2
|
13
|
What is 25% of 80?
|
20
|
Solve: 2x = 16
|
8
|
Solve: x + 9 = 15
|
6
|
Solve: 3x - 5 = 10
|
5
|
What is |−12|?
|
12
|
f(x) = x² - 4; x = 3
|
5
|
What is 2⁴?
|
16
|
What is ∛27?
|
3
|
Solve: 4x + 2 = 18
|
4
|
f(x) = |x - 5|; x = 2
|
3
|
What is 3!?
|
6
|
What is 5! ÷ 3!?
|
20
|
f(x) = 2x² + 1; x = 3
|
19
|
Solve: x² = 49
|
7
|
What is log₂(8)?
|
3
|
What is log₁₀(100)?
|
2
|
f(x) = √(x + 9); x = 16
|
5
|
Solve: 2ˣ = 32
|
5
|
f(x) = (x + 2)(x - 3); x = 1
|
-6
|
What is sin(30°)?
|
0.5
|
What is cos(0°)?
|
1
|
What is tan(45°)?
|
1
|
f(x) = x³ - x; x = 2
|
6
|
Solve: x² - 5x + 6 = 0; smaller x
|
2
|
Solve: x² - 5x + 6 = 0; larger x
|
3
|
What is e⁰?
|
1
|
What is ln(e)?
|
1
|
f(x) = 3ˣ; x = 2
|
9
|
f(x) = x² + 2x + 1; x = 3
|
16
|
What is sin(90°)?
|
1
|
What is cos(180°)?
|
-1
|
Evaluate: 7C3 (combinations)
|
35
|
What is 4⁰?
|
1
|
f(x) = 1/x; x = 4
|
0.25
|
Solve: |x| = 7
|
7
|
What is log₃(81)?
|
4
|
f(x) = x⁴; x = 2
|
16
|
What is √(25 + 144)?
|
13
|
f(x) = 5x² - 3x + 2; x = 1
|
4
|
Solve: 3x² = 27
|
3
|
What is 6!/4!?
|
30
|
f(x) = (x - 1)²; x = 4
|
9
|
What is 2⁻²?
|
0.25
|
Solve: x³ = 64
|
4
|
f(x) = log₂(x); x = 16
|
4
|
What is sin²(45°) + cos²(45°)?
|
1
|
f(x) = eˣ; x = 0
|
1
|
Solve: 2x² - 8 = 0
|
2
|
What is tan(0°)?
|
0
|
f(x) = x² - 4x + 4; x = 2
|
0
|
What is log(1000)?
|
3
|
f(x) = |2x - 6|; x = 5
|
4
|
Solve: √x = 9
|
81
|
What is 5C2?
|
10
|
f(x) = x³ + 1; x = -1
|
0
|
What is cos(90°)?
|
0
|
Solve: log₂(x) = 6
|
64
|
f(x) = (x + 3)² - 9; x = 0
|
0
|
What is 3⁻¹?
|
0.333
|
f(x) = √(x² + 16); x = 3
|
5
|
Solve: x² + 6x + 9 = 0
|
-3
|
What is sin(60°)?
|
0.866
|
f(x) = 2ˣ - 1; x = 3
|
7
|
What is 8C3?
|
56
|
A train travels 240 miles in 4 hours. What is its average speed in mph?
|
60
|
Sarah has $150 and spends 40% on books. How much did she spend on books?
|
60
|
A rectangle has length 12 cm and width 8 cm. What is its area in cm²?
|
96
|
If 3 apples cost $4.50, how much do 7 apples cost?
|
10.5
|
A pool fills at 15 gallons per minute. How many gallons fill in 2.5 hours?
|
2250
|
John invests $1000 at 5% simple interest per year. What is his total after 3 years?
|
1150
|
A car depreciates 20% per year. If it costs $25,000 new, what's its value after 1 year?
|
20000
|
Two numbers sum to 50. One is 3 times the other. What is the smaller number?
|
12.5
|
A ladder 13 ft long leans against a wall. The base is 5 ft from the wall. How high does it reach?
|
12
|
A sphere has radius 3 cm. What is its volume in cm³? Use π ≈ 3.14, round to nearest whole.
|
113
|
If f(x) = 2x + 3 and g(x) = x², what is f(g(2))?
|
11
|
A population of 5000 grows at 8% per year. What is the population after 2 years? Round to nearest whole.
|
5832
|
The perimeter of a square is 48 inches. What is its area in square inches?
|
144
|
A cone has radius 4 cm and height 9 cm. What is its volume in cm³? Use π ≈ 3.14, round to nearest whole.
|
151
|
If sin(θ) = 0.6 and θ is acute, what is cos(θ)?
|
0.8
|
A store marks up items 60% above cost. If an item costs them $40, what's the selling price?
|
64
|
Two cars start 300 miles apart and drive toward each other at 45 mph and 55 mph. In how many hours do they meet?
|
3
|
A cylinder has radius 5 cm and height 10 cm. What is its surface area in cm²? Use π ≈ 3.14, round to nearest whole.
|
471
|
The sum of three consecutive integers is 72. What is the middle integer?
|
24
|
A ball is thrown upward with velocity v(t) = 64 - 32t ft/s. At what time t does it reach maximum height?
|
2
|
Dataset containing types of math equations and their answers.
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