9/09/20 - Reflections Review

A flip is also called a. . .

• Translation

• Reflection

• Dilation

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections are always. . .

• Bigger

• Similar

• Congruent

• Smaller

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The original figure prior to a transformation.

• Image

• Pre-Image

Tags

CCSS.HSG.CO.A.2

State the line of reflection.

• x= -2

• y= 2

• x= 2

• y= -2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

State the line of Reflection.

• x= -2

• y= 2

• x= 2

• y= -2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When you reflect over the x-axis, what stays the same?

• q stays the same

• y stays the same

• x stays the same

• z stays the same

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• $\left(x,y\right)\rightarrow\left(x,-y\right)$
  

• $\left(x,y\right)\rightarrow\left(-y,x\right)$

• $\left(x,y\right)\rightarrow\left(-x,y\right)$

• $\left(x,y\right)\rightarrow\left(y,-x\right)$

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• A'(-5,-2)

• A'(5,-2)

• A(5,-2)

• A(2,5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• (-2,-4)

• (2,-4)

• (4,-2)

• (2,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Find K' if the figure is reflected across the x-axis

• (4,1)

• (1,-4)

• (-1,-4)

• (1,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5