Unit 5 Test Corrections

1. Which is a true statement about the transformation?

• A. Triangle ABC was translated 8 units left and 3 units up.

• B. The pre-image is in quadrant II.

• C. The orientation of the figure was changed.

• D. The orientation of the vertices was changed.

2. Which rule best represents the transformation?

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4. Which is the correct algebraic representation of the transformation below?

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5. Which is NOT a true statement about the figures shown below?

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6. Ben transformed a figure from quadrant IV to quadrant I. The pre-image and image are congruent figures, but the orientation of the figure changed. Which could be the transformation Ben used?

• A. A rotation 90° counterclockwise
• B. A dilation by a scale factor of 2
• C. A translation up
• D. A reflection over the y-axis

7. Luke is going to reflect point R (6, 10) over the y-axis. What are the coordinates for R’?

• A. (-6, -10)
• B. (-6, 10)
• C. (6, -10)
• D. None of the above

8. The table below shows the coordinates of a figure that was transformed. Which is a correct description of the transformation?

• A. Rotation 180° clockwise
• B. Reflection over the x-axis
• C. Translation 5 units left and 2 units down
• D. Translation 10 units left and 4 units down

9. If JKL is rotated 180° clockwise, which describes the location of J’?

• A. (-7, 6)
• B. (6, 7)
• C. (7, -6)
• D. (7, 6)

10. Which of the following is the correct algebraic representation for a translation 8 units right and 4 units down?

• A. (x + 8, y – 4)
• B. (x – 4, y + 8)
• C. (x – 8, y + 4)
• D. (8x, 4y)