Transformations Review

What is an example of the algebraic rule for a TRANSLATION?

• (3x, 3y)

• (x+3, y-2)

• (x, -y)

• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which is an example of the algebraic rule for a DILATION?

• (3x, 3y)

• (x+3, y-2)

• (-x, -y)

• (y, -x)

Tags

CCSS.8.G.A.3

Which algrebraic rule shows a REFLECTION across the x-axis?

• (x, -y)

• (-x, y)

• (4x, 4y)

• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which algrebraic rule shows a REFLECTION across the y-axis?

• (-x, y)

• (x+9, y+3)

• (7x, 10y)

• (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which is the algebraic rule for a 180 degree rotation?

• (-x, -y)

• (-y, x)

• (x -2, y-4)

• (5x, 5y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which is the algebraic rule for a 90 degree clockwise rotation?

• (x, -y)

• (y, -x)

• (-y, x)

• (4x, 7y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic representation of a 90 degree counterclockwise rotation?

• (-y, x)

• (x + 4, y - 3)

• (6x, 6y)

• (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A 90 degree clockwise rotation is the same as ...

• a 90 degree counterclockwise rotation

• a 270 counterclockwise rotation

• a 180 degree rotation

• a reflection over the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A square has sides of 6 inches and is dilated to form a square that has sides of 24. What is the scale factor?

• 1/4 because 6/24 = 1/4

• 4 because 24/6 = 4

• 30 because 24 + 6 = 30

• No way to know with this information.

Tags

CCSS.8.G.A.3

Which transformation does NOT preserve congruence?

• transformation

• reflection

• rotation

• dilation

Tags

CCSS.HSG.CO.A.2