Dilations practice

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

Is this an enlargement or a reduction?

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

Which of the following algebraic rules represents a reduction?

• (x, y) --> $\left(3x,\ 3y\right)$

• (x, y) --> $\left(\frac{1}{2}x,\ \frac{1}{2}y\right)$

• (x, y) --> $\left(\frac{3}{4}x,\ \frac{3}{4}y\right)$

• (x, y) --> $\left(5x,\ 5y\right)$

Tags

CCSS.8.G.A.3

Which of the following algebraic rules represents an enlargement?

• (x, y) --> $\left(2x,\ 2y\right)$

• (x, y) --> $\left(\frac{1}{2}x,\ \frac{1}{2}y\right)$

• (x, y) --> $\left(\frac{2}{3}x,\ \frac{2}{3}y\right)$

• (x, y) --> $\left(\frac{5}{2}x,\ \frac{5}{2}y\right)$

Tags

CCSS.8.G.A.3

Trapezoid A’B’C’D’ is the dilation of trapezoid ABCD.

Which algebraic representation shows this dilation?

• (x, y) --> (2x, 2y)

• (x, y) --> (0.5x, 0.5y)

• (2x, 2y) --> (x, y)

• (x, y) --> (3x, 2y)

Tags

CCSS.HSG.CO.A.2

Triangle A’B’C’ is the dilation of triangle ABC.

Which algebraic representation shows this dilation?

• (x, y) --> $\left(\frac{1}{2}x,\ \frac{1}{2}y\right)$

• (x, y) --> (2x, 2y)

• (x, y) --> $\left(x+\frac{1}{2},\ y\right)$

• (x, y) --> $\left(\frac{1}{2}x,\ y\right)$

Tags

CCSS.HSG.CO.A.2

 $\frac{4}{5}\times20$  

• 5

• 16

• 4

• 25

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

 $\frac{2}{3}\times18$  

• 6

• 18

• 3

• 12

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

 $\frac{5}{6}\times30$  

• 30

• 5

• 25

• 6

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

 $5\times\frac{1}{8}$ 

• 51/8

• 5 1/8

• 5/8

• 6/8

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C