Reflections

Question 1

What is the equation for the line of reflection?

Revolt · Accepted Answer

x = 6

Question 2

Gregory knows that is reflected onto . Which statement about the figures is true?

Revolt · Accepted Answer

If Gregory draws the segment with endpoints A and A’, then the midpoint will lie on the line of reflection.

Question 3

What are the coordinates of D’ when the quadrilateral is reflected across the line ?

Revolt · Accepted Answer

(1, 3)

Question 4

Which segment is the image of reflected across the line ?

Revolt · Accepted Answer

Line segment G H

Question 5

Triangle XYZ is reflected across the y-axis, and X = (4, –5). What are the coordinates of X’ ?

Revolt · Accepted Answer

(–4, –5)

Question 6

Triangle PQR is reflected across a line, P = (4,–5), and P’ = (–4, –5). What is the line of reflection?

Revolt · Accepted Answer

the y-axis

Question 7

Triangle XYZ is reflected across the x-axis, and X = (–11, 8). What are the coordinates of X’ ?

Revolt · Accepted Answer

(–11, –8)

Question 8

Arionna needed to graph triangle PQR reflected across the y-axis. Her work is shown below. Arionna’s Work:Arionna’s GraphWhich statements identify her errors? Check all that apply.

Revolt · Accepted Answer

Arionna did not find the correct point for P’. She should have negated the x-value, not the y-value.; Arionna switched the order of the coordinates of P’ (3, –7) when she graphed them.

Question 9

Marissa wants to write an abbreviated set of directions for finding coordinates of a figure reflected across the y-axis. Which mapping notation is correct?

Revolt · Accepted Answer

(x, y) right-arrow (negative x, y)

Question 10

Which statement correctly identifies the line of reflection?

Revolt · Accepted Answer

The triangles are reflected across the line y = x.

Reflections Answers

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