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)
.
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.