Geometry Transformations

y=x

• (-x,-y)

• (x,-y)

• (-y,-x)

• (y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(2,4) over the y-axis

• (-2,4)

• (4,2)

• (2,-4)

• (2,4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(3,5) over the x-axis

• (3,5)

• (-3,5)

• (5,3)

• (3,-5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Graph the point (5,4) after the reflection over x=6

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point of reflection is the ​ (a)   of the segment joining every point and its image.

• midpoint
• Perpendicular Bisector

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Direct Isometry

When orientation DOES change

• False

• True

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A line of reflection is...

• Opposite isometry

• I don't know?

• A line that cuts to shapes in the middle

• Direct Isometry

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Line segment DE has coordinates D(2,-2) and E(6,0). Its image after a line reflection has coordinates of D'(-4,4) and E'(-2,8). Find and graph the equation of the line of reflection.

Tags

CCSS.HSG.CO.B.6

(4,6) after X=7

• (10,6)

• (5,6)

• (7,6)

• (1,6)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Match the following

• (-2,-8)

• (-3,0) Y-axis

• (7,0)

• (8,2) Y=-X

• (2,-1)

• (2,1) X-axis

• (3,0)

• (7,4) Y=2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5