Rotation & Dilation

The image A'B'C' is a rotation of ABC.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC is dilated using a scale factor of 1/2. What are the new coordinates of point A'?

• (-3, 3)

• (-12, 12)

• (-2, 2)

Tags

CCSS.8.G.A.3

What type of rotation does this represent (from red to blue)?

• 270⁰ clockwise

• 180⁰

• 90⁰ clockwise

Tags

CCSS.HSG.CO.B.6

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

Which of the following is the algebraic rule for a dilation with a scale factor of 3?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

Tags

CCSS.8.G.A.3

The original photo has side lengths of 5 inches and 6 inches. He is wanting to dilate the picture by a scale factor of 2. How many total inches of wood will he need to create a frame for the new enlarged photo?

• 22

• 44

• 88

• 121

Tags

CCSS.7.G.A.1

Triangle CAT, with vertices C(-2, 4), A(0, -5), and T(-3, -8) was dilated to form triangle C'A'T' with vertices C'(-1.6, 3.2), A'(0, -4), and T'(-2.4, -6.4). Which scale factor was used?

• 0.4

• 4/5

• 5/4

• 0.3

Tags

CCSS.8.G.A.3