# Visual Display of Information Review Test

Instructions: For each of the following questions, select the correct answer and record it on a scrap piece of paper. After you have finished the entire examination, check your answers against the answer key (click on the button at the bottom of this page to get to the answer key)

1. In the equation y = 2x + 9 there are two constants. These two constants are:
 x and y x and 2 y and 9 9 and 2 9 and x

Use the following graphs to answer questions 2-6
 Which point lies on the origin? A B C D none of these Which point(s) lie on the x-axis? A B B and D A and B D

1. Which point(s) lie on the y-axis
 A B B and D A and B D

2. What is the x-coordinate of point C?
 0 5 15 20 none of these

3. What is the y-coordinate of point D?
 0 5 15 20 none of these

4. Which point lies on the line with the equation y = 3x - 4?
 (0, 6) (-2, 3) (1, -1) (-1, 1) none of these

5. What is the slope of the line in the graph below?
 3 0 1 positive infinite Use the graph below to answer questions 9-11
 What is the slope of the line shown in the graph? 8 -8 2 -2 -1/2 What is the y-intercept of the line shown in the graph? 8 -8 4 -4 none of these

1. What is the equation of the line shown in the graph?
 y = 4x - 2 y = 8 - 4x y = 8 - 2x y = 8x - 4  [answers] [table of contents]