Mixed Practice B

Deeper mixed review

This set keeps the format quick but mixes in more representation changes, signed numbers, and expression work.

10 calculator-inactive questions

Work each one by hand, choose an answer, then check or reveal the explanation.

Question 1

Linear equations

Solve: 7 - 2x = 15

Question 2

Function notation

If f(x) = x^2 - 2x, what is f(-3)?

Question 3

Linear vs exponential

A table has y-values 6, 12, 24 for x = 1, 2, 3. Which description fits?

Question 4

Slope

What is the slope through (-2, 7) and (4, -5)?

Question 5

Systems

Solve the system: y = -x + 8 and y = 3x

Question 6

Zeros

What are the zeros of (x - 2)(x + 7)?

Question 7

Statistics

What is the mean of 3, 5, 7, and 9?

Question 8

Equation forms

Rewrite 3x - 2y = 8 in slope-intercept form. What is the y-intercept?

Question 9

Geometric sequences

The sequence 81, 27, 9, 3, ... has what common ratio?

Question 10

Polynomial multiplication

Expand: (x + 5)(x - 1)