id
int64
1
735k
topic
stringclasses
11 values
difficulty
stringclasses
2 values
question
stringlengths
12
91
answer
stringlengths
1
11
reasoning
stringlengths
20
98
category
stringclasses
19 values
733,101
algebra
medium
Solve for x: x^2 + 12x + 20 = 0
x = -2, -10
Factor: (x - -2)(x - -10) = x^2 -(-12)x + 20 = 0. So x = -2 or -10. Check sum = -12, product = 20.
quadratic
733,102
algebra
medium
Solve for x: x^2 - 11x + 10 = 0
x = 10, 1
Factor: (x - 10)(x - 1) = x^2 -(11)x + 10 = 0. So x = 10 or 1. Check sum = 11, product = 10.
quadratic
733,103
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
733,104
arithmetic
easy
What is 170 + 436?
606
Add the two numbers: 170 + 436 = 606.
basic_operations
733,105
arithmetic
easy
What is 860 - 607?
253
Subtract: 860 - 607 = 253.
basic_operations
733,106
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
733,107
arithmetic
easy
What is 429 + 555?
984
Add the two numbers: 429 + 555 = 984.
basic_operations
733,108
word_problems
easy
If you have 93 pencils and you buy 41 more pencils, how many pencils do you have in total?
134
Add initial 93 plus bought 41: 93+41=134.
addition_word
733,109
arithmetic
easy
What is 96 * 47?
4512
Multiply: 96 * 47 = 4512.
basic_operations
733,110
algebra
easy
Solve for x: 6x - 29 = -119
-15
Add 29 to both sides: 6x = -119+29=-90. Then x = -90/6 = -15.
linear_equation
733,111
statistics
easy
What is the mean (average) of 78, 97, 52, 50, 25?
60.4
Mean = sum/count. Sum = 78+97+52+50+25=302. Count=5. Mean=302/5=60.4.
mean
733,112
algebra
easy
Solve for x: 13x - 23 = -10
1
Add 23 to both sides: 13x = -10+23=13. Then x = 13/13 = 1.
linear_equation
733,113
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
733,114
exponents
easy
What is 3^3?
27
3^3 means multiply 3 by itself 3 times: 3*3*3 = 27.
exponents
733,115
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
733,116
geometry
easy
Find the perimeter of a rectangle with length 25 and width 5.
60
Perimeter = 2*(length+width) = 2*(25+5) = 2*30 = 60.
rectangle_perim
733,117
arithmetic
easy
What is 469 - 14?
455
Subtract: 469 - 14 = 455.
basic_operations
733,118
exponents
easy
What is 2^4?
16
2^4 means multiply 2 by itself 4 times: 2*2*2*2 = 16.
exponents
733,119
number_theory
medium
What is the LCM (least common multiple) of 59 and 8?
472
LCM = |59*8| / GCD(59,8). GCD=1, so LCM=472/1=472.
lcm
733,120
number_theory
medium
What is the GCD (greatest common divisor) of 40 and 70?
10
Find greatest number dividing both 40 and 70. Divisors common, greatest is 10.
gcd
733,121
algebra
easy
Solve for x: 13x - 34 = 213
19
Add 34 to both sides: 13x = 213+34=247. Then x = 247/13 = 19.
linear_equation
733,122
roots
easy
What is the square root of 1156?
34
Find number that when squared gives 1156. 34*34=1156, so sqrt(1156)=34.
square_roots
733,123
statistics
easy
What is the mean (average) of 83, 85, 38?
68.67
Mean = sum/count. Sum = 83+85+38=206. Count=3. Mean=206/3=68.67.
mean
733,124
number_theory
medium
What is the GCD (greatest common divisor) of 75 and 80?
5
Find greatest number dividing both 75 and 80. Divisors common, greatest is 5.
gcd
733,125
calculus
medium
What is the derivative of 10x^5 with respect to x?
50x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^5] = 10*5*x^4 = 50x^4.
derivative
733,126
arithmetic
easy
What is 20 * 23?
460
Multiply: 20 * 23 = 460.
basic_operations
733,127
arithmetic
easy
What is 471 - 231?
240
Subtract: 471 - 231 = 240.
basic_operations
733,128
arithmetic
easy
What is 50 * 79?
3950
Multiply: 50 * 79 = 3950.
basic_operations
733,129
word_problems
easy
If you have 93 pencils and you buy 30 more pencils, how many pencils do you have in total?
123
Add initial 93 plus bought 30: 93+30=123.
addition_word
733,130
calculus
medium
What is the derivative of 5x^5 with respect to x?
25x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [5x^5] = 5*5*x^4 = 25x^4.
derivative
733,131
arithmetic
easy
What is 400 + 789?
1189
Add the two numbers: 400 + 789 = 1189.
basic_operations
733,132
calculus
medium
What is the derivative of 2x^7 with respect to x?
14x^6
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^7] = 2*7*x^6 = 14x^6.
derivative
733,133
arithmetic
easy
What is 875 + 454 * 58? Remember order of operations.
27207
Order of operations (PEMDAS): first 454*58=26332, then 875+26332=27207.
basic_operations
733,134
algebra
medium
Solve for x: x^2 + 2x - 8 = 0
x = 2, -4
Factor: (x - 2)(x - -4) = x^2 -(-2)x + -8 = 0. So x = 2 or -4. Check sum = -2, product = -8.
quadratic
733,135
exponents
easy
What is 12^5?
248832
12^5 means multiply 12 by itself 5 times: 12*12*12*12*12 = 248832.
exponents
733,136
algebra
easy
Solve for x: 1x - 37 = -30
7
Add 37 to both sides: 1x = -30+37=7. Then x = 7/1 = 7.
linear_equation
733,137
calculus
medium
What is the indefinite integral of x^6 dx?
x^7/7 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^6 = x^7/7 + C.
integral
733,138
fractions
medium
What is 6/17 * 17/5? Give as simplified fraction.
6/5
Multiply numerators: 6*17=102. Denominators: 17*5=85. Simplify by gcd 17 to get 6/5.
fraction_operations
733,139
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
733,140
calculus
medium
What is the indefinite integral of x^6 dx?
x^7/7 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^6 = x^7/7 + C.
integral
733,141
algebra
easy
Solve for x: 18x + 26 = -190
-12
Subtract 26 from both sides: 18x = -190-26=-216. Then divide by 18: x = -216/18 = -12.
linear_equation
733,142
exponents
easy
What is 9^3?
729
9^3 means multiply 9 by itself 3 times: 9*9*9 = 729.
exponents
733,143
arithmetic
easy
What is 968 + 785 * 51? Remember order of operations.
41003
Order of operations (PEMDAS): first 785*51=40035, then 968+40035=41003.
basic_operations
733,144
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
733,145
roots
easy
What is the square root of 64?
8
Find number that when squared gives 64. 8*8=64, so sqrt(64)=8.
square_roots
733,146
arithmetic
easy
What is 98 + 783?
881
Add the two numbers: 98 + 783 = 881.
basic_operations
733,147
arithmetic
easy
What is 362 + 180 * 69? Remember order of operations.
12782
Order of operations (PEMDAS): first 180*69=12420, then 362+12420=12782.
basic_operations
733,148
calculus
medium
What is the indefinite integral of x^2 dx?
x^3/3 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^2 = x^3/3 + C.
integral
733,149
statistics
easy
What is the mean (average) of 40, 9, 58?
35.67
Mean = sum/count. Sum = 40+9+58=107. Count=3. Mean=107/3=35.67.
mean
733,150
arithmetic
easy
What is 504 + 248?
752
Add the two numbers: 504 + 248 = 752.
basic_operations
733,151
calculus
medium
What is the derivative of 3x^5 with respect to x?
15x^4
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [3x^5] = 3*5*x^4 = 15x^4.
derivative
733,152
calculus
medium
What is the derivative of 10x^8 with respect to x?
80x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^8] = 10*8*x^7 = 80x^7.
derivative
733,153
number_theory
medium
What is the GCD (greatest common divisor) of 7 and 85?
1
Find greatest number dividing both 7 and 85. Divisors common, greatest is 1.
gcd
733,154
calculus
medium
What is the derivative of 7x^6 with respect to x?
42x^5
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^6] = 7*6*x^5 = 42x^5.
derivative
733,155
percentages
easy
What is 55% of 18?
9.9
Calculate 55/100 * 18 = 0.55*18 = 9.9.
percentages
733,156
word_problems
easy
If you have 27 books and you buy 50 more books, how many books do you have in total?
77
Add initial 27 plus bought 50: 27+50=77.
addition_word
733,157
percentages
easy
What is 44% of 602?
264.88
Calculate 44/100 * 602 = 0.44*602 = 264.88.
percentages
733,158
exponents
easy
What is 9^3?
729
9^3 means multiply 9 by itself 3 times: 9*9*9 = 729.
exponents
733,159
percentages
easy
What is 69% of 336?
231.84
Calculate 69/100 * 336 = 0.69*336 = 231.84.
percentages
733,160
geometry
easy
Find the area of a circle with radius 31. Use pi=3.14159, round to 2 decimals.
3019.07
Area = pi*r^2 = 3.14159*31^2 = 3.14159*961 = 3019.07.
circle_area
733,161
number_theory
medium
What is the LCM (least common multiple) of 32 and 26?
416
LCM = |32*26| / GCD(32,26). GCD=2, so LCM=832/2=416.
lcm
733,162
algebra
easy
Solve for x: 10x - 18 = -118
-10
Add 18 to both sides: 10x = -118+18=-100. Then x = -100/10 = -10.
linear_equation
733,163
roots
easy
What is the square root of 121?
11
Find number that when squared gives 121. 11*11=121, so sqrt(121)=11.
square_roots
733,164
number_theory
medium
What is the LCM (least common multiple) of 74 and 21?
1554
LCM = |74*21| / GCD(74,21). GCD=1, so LCM=1554/1=1554.
lcm
733,165
fractions
medium
What is 8/14 - 2/19? Give as simplified fraction.
62/133
Common denominator 266. Numerator 152-28=124. So 124/266 simplifies to 62/133.
fraction_operations
733,166
geometry
easy
Find the area of a rectangle with length 39 and width 41.
1599
Area = length * width = 39*41 = 1599.
rectangle_area
733,167
number_theory
medium
What is the GCD (greatest common divisor) of 62 and 14?
2
Find greatest number dividing both 62 and 14. Divisors common, greatest is 2.
gcd
733,168
calculus
medium
What is the indefinite integral of x^7 dx?
x^8/8 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^7 = x^8/8 + C.
integral
733,169
number_theory
medium
What is the LCM (least common multiple) of 21 and 3?
21
LCM = |21*3| / GCD(21,3). GCD=3, so LCM=63/3=21.
lcm
733,170
algebra
medium
Solve for x: x^2 - 4x - 60 = 0
x = 10, -6
Factor: (x - 10)(x - -6) = x^2 -(4)x + -60 = 0. So x = 10 or -6. Check sum = 4, product = -60.
quadratic
733,171
arithmetic
easy
What is 539 + 969?
1508
Add the two numbers: 539 + 969 = 1508.
basic_operations
733,172
calculus
medium
What is the derivative of 1x^4 with respect to x?
4x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [1x^4] = 1*4*x^3 = 4x^3.
derivative
733,173
algebra
medium
Solve for x: x^2 + 9x + 20 = 0
x = -4, -5
Factor: (x - -4)(x - -5) = x^2 -(-9)x + 20 = 0. So x = -4 or -5. Check sum = -9, product = 20.
quadratic
733,174
arithmetic
easy
What is 310 - 116?
194
Subtract: 310 - 116 = 194.
basic_operations
733,175
fractions
medium
What is 19/4 - 20/19? Give as simplified fraction.
281/76
Common denominator 76. Numerator 361-80=281. So 281/76 simplifies to 281/76.
fraction_operations
733,176
word_problems
easy
If you have 58 dollars and you buy 15 more dollars, how many dollars do you have in total?
73
Add initial 58 plus bought 15: 58+15=73.
addition_word
733,177
fractions
medium
What is 8/4 * 4/5? Give as simplified fraction.
8/5
Multiply numerators: 8*4=32. Denominators: 4*5=20. Simplify by gcd 4 to get 8/5.
fraction_operations
733,178
calculus
medium
What is the indefinite integral of x^4 dx?
x^5/5 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^4 = x^5/5 + C.
integral
733,179
algebra
easy
Solve for x: 18x - 25 = -79
-3
Add 25 to both sides: 18x = -79+25=-54. Then x = -54/18 = -3.
linear_equation
733,180
percentages
easy
What is 39% of 397?
154.83
Calculate 39/100 * 397 = 0.39*397 = 154.83.
percentages
733,181
word_problems
easy
If you have 97 pencils and you buy 48 more pencils, how many pencils do you have in total?
145
Add initial 97 plus bought 48: 97+48=145.
addition_word
733,182
exponents
easy
What is 8^5?
32768
8^5 means multiply 8 by itself 5 times: 8*8*8*8*8 = 32768.
exponents
733,183
calculus
medium
What is the derivative of 9x^2 with respect to x?
18x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [9x^2] = 9*2*x^1 = 18x.
derivative
733,184
calculus
medium
What is the indefinite integral of x^5 dx?
x^6/6 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^5 = x^6/6 + C.
integral
733,185
arithmetic
easy
What is 69 + 548?
617
Add the two numbers: 69 + 548 = 617.
basic_operations
733,186
roots
easy
What is the square root of 1849?
43
Find number that when squared gives 1849. 43*43=1849, so sqrt(1849)=43.
square_roots
733,187
statistics
easy
What is the mean (average) of 44, 30, 14, 49, 99?
47.2
Mean = sum/count. Sum = 44+30+14+49+99=236. Count=5. Mean=236/5=47.2.
mean
733,188
roots
easy
What is the square root of 1936?
44
Find number that when squared gives 1936. 44*44=1936, so sqrt(1936)=44.
square_roots
733,189
calculus
medium
What is the derivative of 10x^2 with respect to x?
20x
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [10x^2] = 10*2*x^1 = 20x.
derivative
733,190
geometry
easy
Find the area of a circle with radius 47. Use pi=3.14159, round to 2 decimals.
6939.78
Area = pi*r^2 = 3.14159*47^2 = 3.14159*2209 = 6939.78.
circle_area
733,191
number_theory
medium
What is the LCM (least common multiple) of 49 and 13?
637
LCM = |49*13| / GCD(49,13). GCD=1, so LCM=637/1=637.
lcm
733,192
calculus
medium
What is the derivative of 7x^8 with respect to x?
56x^7
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [7x^8] = 7*8*x^7 = 56x^7.
derivative
733,193
word_problems
easy
If you have 88 apples and you buy 42 more apples, how many apples do you have in total?
130
Add initial 88 plus bought 42: 88+42=130.
addition_word
733,194
calculus
medium
What is the derivative of 2x^4 with respect to x?
8x^3
Power rule: d/dx [x^n] = n*x^(n-1). So d/dx [2x^4] = 2*4*x^3 = 8x^3.
derivative
733,195
word_problems
easy
If you have 16 books and you buy 45 more books, how many books do you have in total?
61
Add initial 16 plus bought 45: 16+45=61.
addition_word
733,196
arithmetic
easy
What is 873 - 43?
830
Subtract: 873 - 43 = 830.
basic_operations
733,197
arithmetic
easy
What is 35 + 513 * 37? Remember order of operations.
19016
Order of operations (PEMDAS): first 513*37=18981, then 35+18981=19016.
basic_operations
733,198
percentages
easy
What is 48% of 802?
384.96
Calculate 48/100 * 802 = 0.48*802 = 384.96.
percentages
733,199
calculus
medium
What is the indefinite integral of x^2 dx?
x^3/3 + C
Power rule for integration: integral x^n dx = x^(n+1)/(n+1) + C. So integral x^2 = x^3/3 + C.
integral
733,200
algebra
medium
Solve for x: x^2 - 4x - 60 = 0
x = -6, 10
Factor: (x - -6)(x - 10) = x^2 -(4)x + -60 = 0. So x = -6 or 10. Check sum = 4, product = -60.
quadratic