Question 1

What are the coordinates of point D in the first image?

Accepted Answer

$$( -4, -2 )$$

Question 2

Which of the following is the correct equation for the line shown in image 5 (d)?

Accepted Answer

$$y = x$$

Question 3

Find the slope of the line passing through the points $$(19, 1)$$ and $$(3, 9).$$

Accepted Answer

$$m = -\frac{1}{8}$$

Question 4

What is the y-intercept of the line $$2x + 4y = 8$$?

Accepted Answer

$$(0, 2)$$

Question 5

Which of the following graphs (d, e, or f) represents a function that is NOT one-to-one?

Accepted Answer

Graph e

Question 6

Find $$f(-2)$$ for $$f(x) = 2x - 11.$$

Accepted Answer

$$-15$$

Question 7

Find $$g(2)$$ for $$g(x) = \frac{3x}{5 + x}.$$

Accepted Answer

$$\frac{6}{7}$$

Question 8

Which of the following equations represents a vertical line?

Accepted Answer

$$x = -7$$

Question 9

Write the equation of the line with slope $$-\frac{1}{5}$$ passing through $$(-4, -5).$$

Accepted Answer

$$y = -\frac{1}{5}x - \frac{21}{5}$$

Question 10

Which of the following points is on the line $$y = -\frac{3}{4}x + 3$$?

Accepted Answer

$$(4, 0)$$

Question 11

Find the equation of the line passing through $$(-1, -1)$$ and $$(3, 2).$$

Accepted Answer

$$y = \frac{3}{4}x - \frac{1}{2}$$

Question 12

Which of the following is NOT a function?

Accepted Answer

A vertical line

Question 13

Find the slope of the line passing through $$(14, -18)$$ and $$(-17, 16).$$

Accepted Answer

$$m = -\frac{34}{31}$$

Question 14

Find $$g(0)$$ for $$g(x) = \frac{3x}{5 + x}.$$

Accepted Answer

$$0$$

Question 15

Which of the following best describes the graph in image 6 (e)?

Accepted Answer

An absolute value function

Question 16

What is the slope of the line passing through $$(-4, -8)$$ and $$(-4, 6)$$?

Accepted Answer

Undefined

Question 17

Which of the following best describes the graph in image 7 (f)?

Accepted Answer

A cubic function

Chapter 3 Review: Graphs, Coordinates, and Linear Equations Study Guide

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