Algebra
Solve for x: 3x+7=22
What is x=5?
What is the sum of the interior angles of a triangle?
What is 180 degrees?
What is the slope of the line y=4x-7
What is 4?
What is the probability of flipping heads on a fair coin?
What is the only even prime number?
What is 2?
Factor x2-9
What is (x-3)(x+3)
Find the area of a circle with a radius of 4cm
What is 16π cm2?
What is the derivative of f(x)=x3-2?
What is 3x2?
Find the mean of 4,6,8,10,12
What is 8?
What is the next number in the sequence: 1,1,2,3,5,8,__?
What is 13?
Solve x2-5x+6=0
What are x=2 and x=3
A right triangle has legs of length 6 and 8. Find its hypotenuse.
What is 10?
Evaluate lim x→2 (3x + 1)
What is 7?
How many different ways can 3 distinct books be arranged on a shelf?
What is 3!=6 ways?
I am a two-digit number. My digits add up to 11. Reversing my digits makes me 27 smaller. What number am I?
What is 74?
The digits add to 11, and 74 − 47 = 27.
If f(x)=2x2-3x+1, find f(-2)
What is 15?
Find the distance between (1,2) and (7,10)
What is 10 units?
Find the derivative of the function f(x)=5x4-2x2+3
What is 20x3-4x?
If two fair dice are rolled, what is the probability that their sum is 7?
What is 1/6?
A number is increased by 20% and then decreased by 20%. Is the final result equal to the original number?
No. The final result is 96% of the original.
Solve 2x+1=32
What is x=4?
What is the measure of each interior angle of a regualr decagon
What is 144 degrees?
If f(x)=2x+1 and g(x)=x2, what is g(f(2))?
What is 25?
How many 3-person committees can be formed from 8 people?
What is (8/3)=56?
Eight people are at a party. Everyone shakes hands with every other person exactly once. How many handshakes occur?
What is 28?
Each person shakes hands with 7 others, so 8 x 7/ 2=28. Divide by 2 because each handshake is counted twice.