Geometry Mid term Review

270 degrees counterclockwise rotation

Answer explanation

270 degrees counterclockwise rotation is the opposite of the x axis and keeping y the same

(-x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

180 degrees counterclockwise rotation

Answer explanation

180 degrees counterclockwise rotation is the opposite of x and opposite of y (-x,-y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

90 degrees counterclockwise rotation

Answer explanation

90 degrees counterclockwise is the switch places of the y and x axis and the opposite of y (-y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflection of y = x

Answer explanation

Y = x Reflection is the switch of the y and x axis (y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflection of y = -x

Answer explanation

The reflection of y=-x is the opposite of y and x and switch places between the axises (-y,-x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Translation

Answer explanation

A translation is a horizontal shift (h) plus the x axis and the vertical shift (k) plus the y axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Horizontal Shift

Tags

CCSS.HSF-IF.C.7E

Vertical Shift

Dilation

Answer explanation

A dilation is a vertical shift multiplied plus the y and x axis (xk, yk)

Tags

CCSS.8.G.A.3

Corresponding Angles woth parallel lines are..

• Congruent

• Supplementary

Tags

CCSS.8.G.A.5