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Reflections Over the X-Axis

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Reflections Over the X-Axis
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a coordinate reflects over the x-axis the y-coordinate...

changes to its opposite sign

stays the same

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you reflect point (-2,7) over the x-axis, what is its image point?

(2,7)

(2,-7)

(-2,-7)

(7,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The blue figure is reflected over the x-axis. True or False?

True

False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the rule for a reflection over the x-axis?

(x,y)→(-x,y)

(x,y)→(x,-y)

(x,y)→(-x,-y)

(x,y)→(y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which transformation is shown?

Translation

Reflection over the x-axis

Reflection over the y-axis

90o clockwise rotation

Tags

CCSS.HSG.CO.B.6

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Reflections over the x-axis change the (a)   - (b)  

y-coordinate

x-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

7.

DROPDOWN QUESTION

1 min • 2 pts

A reflection over the x-axis causes the ​ (a)   to stay the same and the ​ (b)   to switch.

The algebraic representation is ​ (c)  

x-value

y-value

(x, y)-->(x, -y)

(x, y)-->(-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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