Dilation of Lines

Dilate 9x - 3y = -18 by a scale factor of 2 with (8, 10) as the center of dilation.

• y=3x + 40

• y=3x - 26

• y=3x + 26

• y=3x - 40

Tags

CCSS.8.G.A.3

True or False:
When the center of dilation is on the line being dilated, the new line is the same as the original.

• True

• False

Tags

CCSS.8.G.A.3

Dilate the line y=1/2x + 6 by a scale factor of 1/3 with the origin as center

• y=1/2x + 2

• y=1/6x + 6

• y=1/2x + 12

• y=1/6x + 2

Tags

CCSS.8.G.A.3

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3

• 1/3

• 8

Tags

CCSS.8.G.A.3

What is the scale factor of this dilation?

• 2

• 4

Tags

CCSS.8.G.A.3

What type of dilation is represented? blue to purple

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

The scale factor for this dilation is:

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

Dilate y= 2x + 10 by a scale factor of 1/2 with a center of (4,12).

• y=2x + 1

• y=2x + 7

• y=2x + 6

• y=2x + 4

Tags

CCSS.8.G.A.3

Dilate the line y=5x - 2 by a scale factor of 4 centered at the origin

• y=20x - 2

• y=5x - 2

• y=20x - 8

• y=5x - 8

Tags

CCSS.8.G.A.3

The amount you enlarge or reduce a figure is...

• dilation

• scale factor

• transformation

• translation

Tags

CCSS.8.G.A.3