Reflections

Question 1

What are the coordinates of A’ after reflecting across the line x = 3?

Revolt · Accepted Answer

(3, 2)

Question 2

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 3

Which graph shows the image of the triangle reflected across the line of reflection shown?

Revolt · Accepted Answer

On a coordinate plane, a triangle has points (2, 2), (4, 4), (9, 0).

Question 4

Which segment is the image of reflected across the line ?

Revolt · Accepted Answer

Line segment G H

Question 5

What is the equation for the line of reflection?

Revolt · Accepted Answer

x = 6

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

Clayton needs to reflect the triangle below across the line . Which statements about the reflection are true? Check all that apply.

Revolt · Accepted Answer

Clayton could use the relationship to find the points of the image.; C’ will remain in the same location as C because it is on the line of reflection.; The image and the pre-image will be congruent triangles.; The image and pre-image will not have the same orientation because reflections flip figures.

Question 8

Which choice shows the coordinates of C’ if the trapezoid is reflected across the y-axis?

Revolt · Accepted Answer

(–5, 3)

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

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

Revolt · Accepted Answer

(–11, –8)

Reflections Answers

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