RTI 4.2 Reflections

​RTI 4.2 Reflections

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​A little progress every day adds up to Big Results.

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Multiple Choice

What changes when an ordered pair, or point, is reflected across the y-axis?

• Neither the x-value nor the y-value

• y-value only

• x-value only

• Both the x-value and the y-value

Multiple Choice

Level 1 What is this transformation?

(x, y) → (-x, y)

• Reflect over the x axis

• Reflect over the y-axis

• Slide down 1

• slide left 1

Multiple Choice

Reflect Point C over the y-axis: #3

• (-3, 2)

• (3,2)

• (-2,3)

• (3,0)

Multiple Choice

$Which point represents the reflection of G across the line $$l$$  ? #4

• point C

• point B

• point E

• point A

Multiple Choice

What is the rule for the following reflection? #8

• Reflection across       y = 3

• Reflection across        x = −3

• Reflection across            x = 3

• Reflection across          y = −3

Multiple Choice

What is the rule for the following reflection? 

• Reflection across      x-axis

• Reflection across        y-axis

• Reflection across            y = x

• Reflection across          y = −x

Multiple Choice

Reflecting over the y-axis changes the ____-_____________. #10

• x-axis

• x-coordinate

• y-coordinate

• none of the above

Multiple Choice

Reflect (6, -3) over the x-axis. What are the new coordinates of that point after the reflection? #11

• (6, 3)

• (-6, -3)

• (-3, 6)

• (3, -6)

Multiple Choice

What are the coordinates of the image of vertex G after a reflection across the line y = x? #15

• (–4, –5)

• (4, 5)

• (–5, 4)

• (5, –4)

Multiple Choice

What are the coordinates of the image of vertex F after a reflection across the line y = –x? #14

• (–1, –3)

• (3, –1)

• (1, 3)

• (–3, 1)