Reflections

Question 1

What is the rule for the reflection?

Revolt · Accepted Answer

ry-axis(x, y) → (–x, y)

Question 2

x-axisy-axisy = x✔ y = -x

Revolt · Accepted Answer

y = -x

Question 3

figure [___]

Revolt · Accepted Answer

C

Question 4

x-axis✔ y-axisy = xy = -x

Revolt · Accepted Answer

y-axis; Selection 1: y-axis; Selection 2: y = -x

Question 5

Figure ABCDE was reflected across the line y = x to create figure A'B'C'D'E'. What are the coordinates of the pre-image of E'?

Revolt · Accepted Answer

-2; 6

Question 6

What is the rule for the reflection?

Revolt · Accepted Answer

rx-axis(x, y) → (x, –y)

Question 7

Sumy is working in geometry class and is given figure ABCD in the coordinate plane to reflect. The coordinates of point D are (a, b) and she reflects the figure over the line y = x. What are the coordinates of the image D'?

Revolt · Accepted Answer

(b, a)

Question 8

Which statements must be true? Check all that apply.

Revolt · Accepted Answer

C'Q = QC; ⊥ A'A; A'A || B'B; m∠TRB = 90°

Question 9

Which reflection will produce an image of ΔRST with a vertex at (2, –3)?

Revolt · Accepted Answer

a reflection of ΔRST across the line y = –x

Question 10

Which are true if figure DEFG is reflected across the x-axis? Check all that apply.

Revolt · Accepted Answer

D(0, 4) → D'(0, –4); E(–2, 0) → E'(–2, 0); The perpendicular distance from G' to the x-axis will equal 2 units.

Reflections Answers

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