Statistics & Probability
What is the probability of rolling a 2 on a six-sided die?
1/6
What is the slope of the line represented by y = 4x + 2?
4
Solve for x: 3x - 7 = 20.
x = 9
Convert 0.6 into a fraction.
3/5
If a student scores 85, 90, and 95 on three tests, what is the mean score?
90
Evaluate f(3) for the function f(x) = x² - 5x + 4.
2
Expand: (x + 3)(x - 5).
x² - 2x - 15
What is 25% of 80?
20
A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly picking a blue marble?
3/10
What type of function does the equation y = x² represent?
Quadratic function
What is the solution to the equation 2(x + 4) = 12?
x = 2
Simplify the expression: 4(3 + 5) ÷ 2.
16
What is the median of the numbers 2, 5, 10, 12, and 14?
10
What is the y-intercept of the equation y = -3x + 7?
7
Factor completely: x² + 7x + 10.
(x + 5)(x + 2)
If a number is divisible by both 4 and 6, what other number must it be divisible by?
12
If the probability of rain tomorrow is 30%, what is the probability that it will NOT rain?
70%
In an exponential function y = a * b^x, what does the "b" represent?
The growth or decay factor
What is the vertex of the parabola represented by y = (x - 4)² + 2?
(4, 2)
What is the prime factorization of 60?
2 × 2 × 3 × 5