Reflections

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

State the line of reflection.

• Reflection across y-axis

• Reflection across x-axis

• Reflection across x = 1

• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

The point ( -2,5) is reflected over the line x = 1.  Find its image.

• (  4,  5)

• ( -2  , -5)

• ( 2  ,  5)

• (2   , -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC has vertices A(5,2).  Find the coordinates of ABC after a reflection over the x-axis.

• A’(5, -2)

• A’(-5, -2)

• A’(-5, -2)

• A'(5,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect point C ( -1, -4) over the x-axis, what is the reflected point?

• C' ( -1, 4)

• C' ( 1, 4)

• C' ( 1, -4)

• C' ( -1, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If you reflect the point D ( 5, -1) over the y-axis, what is the reflected point?

• D' ( -5, -1)

• D' ( 5, -1)

• D' ( -5, 1)

• D' ( 5, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When you reflect a point over the y-axis, the ____________ changes.

• x-coordinate

• y-coordinate

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect (-2, 5) over the x axis.

Think: What will change? the X or the Y?

• (-2, -5)

• (2, 5)

• (2, -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which graph best describes a shape that is reflected over the x - axis?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5