A+ Answers


1. What is the equation of the line in the graph?
A. y = 2x – 2
B. y = x – 4
C. y = 2x + 4
D. y = x + 4
2. Which of the following is the graph of the equation y = 2x + 3?

3. Take a look at the figure. What are the coordinates of the point labeled B in
the graph shown?
A. (3, 2)
B. (–2, –3)
C. (–2, 3)
D. (–3, 2)

4. Rewrite the equation 2x + 4y + 2 = 3y + 5 in general form.
A. 2x + y – 3 = 0
B. 2x + y = 3
C. y = –2x + 3
D. 2x + 7y + 7 = 0

5. Take a look at the figure. What are the coordinates of the point labeled A in the graph shown?
A. (2, –2)
B. (–2, 2)
C. (2, 2)
D. (–2, 4)

6. What is the y-intercept of the line with the equation 4x + 2y = 12?
A. (6, 0)
B. (3, 0)
C. (0, 6)
D. (0, 3)
7. What is the slope-intercept form of the equation of the line shown in the graph?
A. y = 4/3x – 4
B. y = 4/3x + 4
C. y = 3/4x + 3
D. y = x
8. Using the point-slope formula, what is the equation of the line that passes through the points (1, 5) and
(0, 0)?
A. y = 5x
B. y = 5x – 1
C. y = x
D. y = 5x + 10

9. A line in the Cartesian plane passes through the points (1, 3) and (5, 4). What is the slope of the line?
A. 1/4
B. 1/4
C. 4/1
D. 4/1

10. What is the x-intercept of the line with the equation 4x + 2y = 12?
A. (0, 6)
B. (0, 3)
C. (3, 0)
D. (6, 0)

11. What is the point-slope form of an equation with the slope of 3/5 that passes through the point (10, –
2)?
A. y + 2 = 3/5(x – 10)
B. y – 10 = 3/5(x + 2)
C. y – 2 = 3/5(x + 10)
D. y + 10 = 3/5(x – 2)

12. A line in the Cartesian plane passes through the points (–2, 4) and (2, –1). What are the rise and the
run of the line?
A. The rise is –5, the run is 4.
B. The run is 4, the rise is 5.
C. The rise is –4, the run is –5.
D. The run is –5, the rise is 4.

13. If the slope of a line is 2 and its y-intercept is 5, what is the equation of the line?
A. x = 5y + 2
B. y = 2x + 5
C. x = 2y + 5
D. y = 5x + 2

14. In the ordered pair (12, –7),
A. the abscissa is 7 and the ordinate is –12.
B. the abscissa is –7 and the ordinate is 12.
C. the abscissa is –12 and the ordinate is 7.
D. the abscissa is 12 and the ordinate is –7.

15. A line that passes through the point (–1, 3) has a slope of 2. Find another point on the line.
A. (1, 5)
B. (0, 5)
C. (–3, 2)
D. (1, 4)

16. What is the slope of the line that has the equation 4x + 2y = 12?
A. 3
B. 2
C. –2
D. 6

17. What is the equation of the line that passes through the points (–2, 2) and (0, 5)?
A. y = –3/2x + 5
B. y = x – 5
C. y = 3/2x + 5
D. y = x + 5

18. Rewrite the equation 4x + 4y = 20 in slope-intercept form.
A. 4x + 4y – 20 = 0
B. y = –x + 5
C. 4y = –4x + 20
D. x + y = 5
19. Two linear equations are shown in the graph.
What are the coordinates of the point where the two lines intersect?
A. (3, 0)
B. (3, 3)
C. (–2, 3)
D. (–3, 3)
20. What are the coordinates of the point labeled C in the graph?
A. (–3, 2)
B. (3, –2)
C. (3, 2)
D. (2,–3)