Geometry Reflections Over Axis

Reflect the point (2, -4) over the y-axis.

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for the following reflection?

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a reflection?

• When you turn an object around a point.

• When you slide an object form one place to another.

• When you flip or mirror an object across a line.

• When you resize an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for the following reflection?

• Reflection across x-axis

• Reflection across y-axis

• Reflection across y = x

• Reflection across y = −x

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If we reflect triangle ABC over the line shown (y=-x), where would A' be located? 

• (2,-5)

• (1,2)

• (-1,-3)

• (-1,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the equation of the line of reflection?

• x=2

• y=-2

• x=undefined

• x=-2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• x-axis

• x-coordinate

• y-coordinate

• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which statement is FALSE about reflections?

• Reflections create congruent images.

• In a reflection, the image is the same distance from the line of reflection as the pre-image.

• Reflections preserve orientation.

• Reflections preserve size.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5