1.10 Quiz Use Algebra To Describe Geometry 1

Question: What transformation is represented by the rule (x, y)→(y, − x) ?

Answer: rotation of 90° clockwise about the origin

Question: What type of transformation transforms (a, b) to ​(−a, b)​?

Answer: a reflection over the y-axis

Question: Point (m, n) is transformed by the rule ​(m−3, n)

What type of transformation occurred?

Answer: a translation of 3 units to the left

Question: Point P(−5, 2) is translated using the rule (x+3, y−1)

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What is the x-coordinate of P′?

Enter your answer in the box.

Answer: -2

Question: Point T(3, −8) is reflected across the x-axis.

Which statements about T′ are true?

Select each correct answer.

Answer: The x-coordinate is 3.

The y-coordinate is 8.