Algebra
2x+5 = 13; solve for x
x=4
Find the area of a rectangle with length 8 and width 5
40 square units
eval. f(x) = 2x-1 when x=3
5
What is the probability of flipping heads on a fair coin?
1/2
simplify: 3(x+4)-2x
x+12
Find the circumference of a circle with radius 7 (in terms of pi)
14 pi
identify the slope of y=-3x + 7
-3
Find the mean of the numbers 2, 4, 6, and 8
5
x^2=25; solve for x
x= +/- 5
Find the missing angle in a triangle with angles 50° and 60°
70 degrees
if f(x) = x^2 what is f(-4)
16
What is the median of 3, 7, 9, 10, 12?
9
factor: x^2 - 9
(x+3)(x-3)
Find the volume of a cube with side length 4
64 square units
State whether the function y=x^2 is even, odd, or neither
even
If a die is rolled, what is the probability of rolling a number greater than 4?
1/3