Unit 9 Test: Coordinate Plane

1. Which line contains the ordered pair (-4, -2)?

• A. Line D
• C. Line F

2. A triangle is shown below. What are the coordinates of the three vertices?

• B. (-7, -3), (-2, 3), (2, -3)
• C. (-7, -3), (3, -2), (-2, -3)

5. Which is a true statement about the reflection shown?

• A. The figure is reflected across the y-axis.
• D. The figure is not reflected.

6. The coordinates of one endpoint of a line segment are (6, -2). The line segment is 4 units long. Which of the following is NOT a possible endpoint?

• A. (6, 2)
• D. (-10, -2)

7. A rectangle on a coordinate grid has a perimeter of 24 units and an area of 20 units². Could the following ordered pairs form the rectangle described above?

• A. Yes
• D. No, because it doesn’t have the correct area or perimeter.

8. Determine the distance between (6, -1) and (-1, -1) and whether the line is horizontal or vertical.

• C. 7 units, horizontal
• D. 5 units, horizontal

9. A point in Quadrant I is reflected across the y-axis. In which quadrant will the new point be located?

• A. Quadrant I
• B. Quadrant II

13. Place points C and D on the coordinate plane to form a perfect square with points A and B. Record the ordered pairs below.

• A. C (-6, -9) D (6, -3)
• B. C (-6, -9) D (-6, 3)

14. Place points C and D on the coordinate plane to create a rectangle with points A and B that has an area of 35 units².

• A. (-3, 1) and (-8, 1)
• C. (-3, 2) and (-8, 2)

18. Which of the following ordered pairs represents a reflection across the x-axis?

• A. Q (3, 5) → Q’ (-3, -5)
• D. Q (9, -1) → Q’ (9, 1)