review for Illustrative 8th grade Math Unit #2 (Dilations)

Does this example help?

• yes

• no

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

With a scale factor of 4, T(-1,-2)  go to T'( ? , ?)

• T(-1,-2) $\rightarrow$ T’(1,2)

• T(-1,-2) $\rightarrow$ T’(-4,-8)

• T(-1,-2) $\rightarrow$ T’(4,8)

• T(-1,-2) $\rightarrow$ T’(1/4, 1/8)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

With a scale factor of 4,   W (-2,0)  $\rightarrow$  W' (? , ?)

• W (-2,0) $\rightarrow$ W’(-2,0)

• W (-2,0) $\rightarrow$ W'(-1/2,0)

• W (-2,0) $\rightarrow$ W’(2,4)

• W (-2,0) $\rightarrow$ W’(-8, 0)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

With a scale factor of 4,   V (-1,2)  $\rightarrow$  V' (? , ?)

• V (-1,2) $\rightarrow$ V’(-4,2)

• V (-1,2) $\rightarrow$ V'(-4,8)

• V (-1,2) $\rightarrow$ V’(2,4)

• V (-1,2) $\rightarrow$ V’(-8, 0)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

With a scale factor of 4,   U (2,0)  $\rightarrow$  U' (? , ?)

• U (2,0) $\rightarrow$ U’(8,0)

• U (2,0) $\rightarrow$ U'(-4,8)

• U (2,0) $\rightarrow$ U’(2,4)

• U (2,0) $\rightarrow$ V’(-8, 0)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

This figure shows what kind of transformation?

• This is a dilation

• This is a rotation

• This is a reflection

• This is a translation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What kind of transformation is this?

• This is a rotation

• This is a dilation

• This is a translation

• This if a reflection

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

This figure shows what kind of transformation?

• This is a dilation

• This is a rotation

• This is a reflection

• This is a translation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

This figure shows what kind of transformation?

• This is a dilation

• This is a rotation

• This is a reflection

• This is a translation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Select ALL that apply.

In order for images to be scaled copies of each other,

• all angles must stay congruent

• the new image must get bigger

• you add the same number to all side lengths

• all side lengths must increase or decrease by the same scale factor

Tags

CCSS.8.EE.B.6

CCSS.8.G.A.4