Center of dilations

IF points B(2,4) & C(-1,1) is dilated with scale factor of 3, scale factor of 2, what is B'( , ) & C'( , )

• ii

• yy

Tags

CCSS.8.G.A.3

IF points B(2,4) & C(-2,4) is dilated with scale factor of 3, sith scale factor of 1/2, what is B'( , ) & C'( , )

• oo

• oo

• oo

• oo

Tags

CCSS.8.G.A.3

When lines are dilated, the image and the preimage are?

• perpendicular

• parallel

• vertical

• supplementary

Tags

CCSS.8.G.A.3

How do we determine the scale factor of an image and preimage?

• Divide the pre image over the image?

• Multiply the scale factor by the dilated side

• The scale factor is the dilated side over the original side

• scale factor is always a fraction

Tags

CCSS.7.G.A.1

When you dilate something, what operation do you always perform?

• addition

• multiplication

• subtraction

• division

Tags

CCSS.8.G.A.3

IF y=3x+4 is line, what is the line the is parallel to that goes through (2,4)

• y=(1/3)x+2

• y=(1/3)x-2

• y=(3)x-2

• y=(3)x+2

what is the scale factor of the following dilation B(8,2) and

B'(4,1)

• K=1/4

• K=1/2

• K=2

• K=4

Tags

CCSS.8.G.A.3

If B'(2,4), C'(3,5) D'(-4,8) & E'(-8,10) is the image of a shape dilated by k=2, what are original points?

• (4,8), ( 7,10), (-2,4), (-8,10)

• (1,2) (1.5,2.5) (-2, 4) (-4,5)

• (6,8) (9,15) (-12, -24) (-8,20)

• The same thing, It doesn't change.

Tags

CCSS.8.G.A.3