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Name _____________________________________Class ______Date_____ PreAlgebra: Dilations & Finding Scale Factor Worksheet Show your work!!! 1. 2. 3. 56(0% 7(6\$,"8 9: 56(0% 7(6\$,"8 9: !"#\$% \$'% !"#\$% '#"()*! ()* +#\$,%! ')* - +," \$'% -(#". ,+ .#/#0(" \$"#()10%. 2%0,34 A B C A' B' C' D E F D' E' F'

# PreAlgebra: Dilations & Finding Scale Factor Worksheet ... · Name _____Class _____Date_____ PreAlgebra: Dilations & Finding Scale Factor Worksheet Show your work!!! 1. 2

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### Text of PreAlgebra: Dilations & Finding Scale Factor Worksheet ... · Name _____Class _____Date_____...

• Name _____________________________________Class ______Date_____

PreAlgebra: Dilations & Finding Scale Factor Worksheet

Show your work!!! 1. 2. 3.

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• 7. Scale Factor is _______ 8. Scale Factor is _______ 9. Scale Factor is _______

Name Class Date

Practice Course 3 Lesson 4-5 257

ears

on E

duca

tion,

Inc.

, pub

lishi

ng a

s Pe

arso

n Pr

entic

e H

all.

All

righ

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ved.

Graph the coordinates of the quadrilateral ABCD. Find thecoordinates of its image A9B9C9D9 after a dilation with the givenscale factor.

1. A(2, !2), B(3, 2), C(!3, 2), D(!2, !2); 2. A(6, 3), B(0, 6), C(!6, 2), D(!6, !5);scale factor 2 scale factor

Quadrilateral A9B9C9D9 is a dilation of quadrilateral ABCD. Find thescale factor. Classify each dilation as an enlargement or a reduction.

3. 4. 5.

6. A triangle has coordinates A(!2, !2), B(4, !2), and C(1, 1).Graph its image A9B9C9 after a dilation with scale factor .Give the coordinates of A9B9C9, and the ratio of the areas of thefigures A9B9C9 and ABC.

32

A

D

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A! C !

D !

C

A

D

B

B ! A!

C !D !

C

4

1

8

2

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y

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D !

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Practice 4-5 Similarity Transformations

14

13

94

32

32

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

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Name Class Date

Practice Course 3 Lesson 4-5 257

ears

on E

duca

tion,

Inc.

, pub

lishi

ng a

s Pe

arso

n Pr

entic

e H

all.

All

righ

ts r

eser

ved.

Graph the coordinates of the quadrilateral ABCD. Find thecoordinates of its image A9B9C9D9 after a dilation with the givenscale factor.

1. A(2, !2), B(3, 2), C(!3, 2), D(!2, !2); 2. A(6, 3), B(0, 6), C(!6, 2), D(!6, !5);scale factor 2 scale factor

Quadrilateral A9B9C9D9 is a dilation of quadrilateral ABCD. Find thescale factor. Classify each dilation as an enlargement or a reduction.

3. 4. 5.

6. A triangle has coordinates A(!2, !2), B(4, !2), and C(1, 1).Graph its image A9B9C9 after a dilation with scale factor .Give the coordinates of A9B9C9, and the ratio of the areas of thefigures A9B9C9 and ABC.

32

A

D

BB !

A! C !

D !

C

A

D

B

B ! A!

C !D !

C

4

1

8

2

"4"6 4 6x

A

y

D

B

B !

A!C !

D !

C

"2

"4

"6

"2 2

6

4

2

O

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

OO"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

12

Practice 4-5 Similarity Transformations

14

13

94

32

32

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

O

Name Class Date

Practice Course 3 Lesson 4-5 257

ears

on E

duca

tion,

Inc.

, pub

lishi

ng a

s Pe

arso

n Pr

entic

e H

all.

All

righ

ts r

eser

ved.

Graph the coordinates of the quadrilateral ABCD. Find thecoordinates of its image A9B9C9D9 after a dilation with the givenscale factor.

1. A(2, !2), B(3, 2), C(!3, 2), D(!2, !2); 2. A(6, 3), B(0, 6), C(!6, 2), D(!6, !5);scale factor 2 scale factor

Quadrilateral A9B9C9D9 is a dilation of quadrilateral ABCD. Find thescale factor. Classify each dilation as an enlargement or a reduction.

3. 4. 5.

6. A triangle has coordinates A(!2, !2), B(4, !2), and C(1, 1).Graph its image A9B9C9 after a dilation with scale factor .Give the coordinates of A9B9C9, and the ratio of the areas of thefigures A9B9C9 and ABC.

32

A

D

BB !

A! C !

D !

C

A

D

B

B ! A!

C !D !

C

4

1

8

2

"4"6 4 6x

A

y

D

B

B !

A!C !

D !

C

"2

"4

"6

"2 2

6

4

2

O

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

OO"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

12

Practice 4-5 Similarity Transformations

14

13

94

32

32

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

O

Name Class Date

Practice Course 3 Lesson 4-5 257

ears

on E

duca

tion,

Inc.

, pub

lishi

ng a

s Pe

arso

n Pr

entic

e H

all.

All

righ

ts r

eser

ved.

Graph the coordinates of the quadrilateral ABCD. Find thecoordinates of its image A9B9C9D9 after a dilation with the givenscale factor.

1. A(2, !2), B(3, 2), C(!3, 2), D(!2, !2); 2. A(6, 3), B(0, 6), C(!6, 2), D(!6, !5);scale factor 2 scale factor

Quadrilateral A9B9C9D9 is a dilation of quadrilateral ABCD. Find thescale factor. Classify each dilation as an enlargement or a reduction.

3. 4. 5.

6. A triangle has coordinates A(!2, !2), B(4, !2), and C(1, 1).Graph its image A9B9C9 after a dilation with scale factor .Give the coordinates of A9B9C9, and the ratio of the areas of thefigures A9B9C9 and ABC.

32

A

D

BB !

A! C !

D !

C

A

D

B

B ! A!

C !D !

C

4

1

8

2

"4"6 4 6x

A

y

D

B

B !

A!C !

D !

C

"2

"4

"6

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6

4

2

O

"4"6 4 6x

y

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6

4

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OO"4"6 4 6x

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"6

"2 2

6

4

2

12

Practice 4-5 Similarity Transformations

14

13

94

32

32

"4"6 4 6x

y

"2

"4

"6

"2 2

6

4

2

O

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