Coordinate Plane - Unit Test

1. Which ordered pair represents Point B on the coordinate grid?

• A. (5, 2)
• B. (2, 5)
• C. (8, 7)
• D. (7, 8)

2. Which graph shows the following points plotted correctly?

L: (7,0) M: (3,8) N: (4,1)

• A. Graph A
• B. Graph B
• C. Graph C
• D. Graph D

3. Marian created a pattern by multiplying each x-coordinate by 7 to get the y-coordinate. Which two ordered pairs could represent this pattern?

• a. (1, 7) and (7, 14)
• b. (1, 7) and (2, 14)
• c. (2, 14) and (9, 21)
• d. (0, 7) and (1, 14)

4. Which of the following statements about the coordinate grid are true? I. The horizontal number line is the x-axis. II. The origin is the intersection of the x-axis and the y-axis. III. In a coordinate grid, the x-axis and y-axis are parallel to each other. IV. The y-coordinate determines the vertical movement from the origin.

• A. I and IV only
• B. II and III only
• C. I, II, and IV only
• D. I, II, III, and IV

5. The three points below represent the vertices of a triangle. Which of the following points is inside the triangle? Use the graph to help.

• 
• 
• 
• 

6. Which of the following correctly represents the rule y = 7x?

• a. A only
• b. B only
• c. Both A and B
• d. Neither A nor B

7. The relationship between Leon’s age and his cousin Ray’s age can be represented by the equation y = x + 13. Which table represents the relationship?

• 
• 
• 
• 

8. Which of the following graphs represents the data in the table?

• a. Graph A
• b. Graph B
• c. Graph C

9. Jaime plotted points A and B below. Which point(s) did he plot correctly?

• a. Point A only
• b. Point B only
• c. Both point A and point B
• d. Neither point A nor point B

10. Iris plotted (1, 4), (1, 8), and (8, 4) as vertices of a trapezoid on the coordinate plane. Which of the ordered pairs could represent the fourth vertex of this trapezoid?

• A. (5, 8)
• B. (9, 5)
• C. (10, 7)
• D. (9, 7)