Practice Worksheet - MATH IN DEMAND

Practice Worksheet

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? Make sure that students bubble in their answers for the front page (#1-7) and the back page (#8-14). The bubbles allow students to check their answers and results in a more confident student. In addition, it makes it a lot easier for you to do a quick "checking for understanding" when you have the answer key and can compare the bubbles shaded in.

? Make sure that students show their work! Space is given so that students can demonstrate their knowledge of the concept. I do not give students credit if they do not show their work. Also, students need to give a nice reflection (2-3 sentences)!

? You can decide if you want to use the score in the top left.

? If you have any questions or concerns, please email me at mathindemand@.

Score (__/__)

Dilations

Worksheet Practice

Name: ___________________ Date: __________ Period: _____

Directions: Answer the following problems on dilations. Make sure to bubble in your answers below on each page so that you can check your work. Show all your work!

1 Find the coordinates of A' given a dilation of 2.

A(3,-6), B(0,9), C(2,-1)

2 Find the coordinates of B' given a dilation of 1.

4

A(4,-8), B(2,-4), C(0,4)

3 Find the coordinates of C' given k = 3.

A(3,-6), B(0,9), C(-2,-1)

4 Find the coordinates of B' given k = 21.

2

A(6,0), B(-4,2), C(-8,-2)

A' = ______

B' = ______

C' = ______

B' = ______

5

Dilate ABCD by a

scale factor of 1.

2

6

Dilate ABC by a

scale factor of 2.

A

7

Dilate ABCD by a

scale factor of 3.

4

.

A

Answers

Bubble in your answers below for problems #1-7.

(1,-2)

(-10,5)

(?,-1)

(-3,-3)

(2,4)

(-2,1)

A

D

B

C

(2,2) (-6,-3)

(-?,-1) (8,-16)

B

C

C' = _____

A' = _____

B

C

(2,-2)

B' = _____

(6,-3)

(0,4) (6,-12)

? 2018 Math in Demand

8 Determine the scale factor from ABCD to A'B'C'D' given the following points:

9 Determine the scale factor from ABC to A'B'C' given the following points:

10 Determine the scale factor from EFGH to E'F'G'H' given the following points:

11 Determine the scale factor from MNO to

M'N'O' given the following points:

A(1,-1), B(0,4), C(1,3), D(2,1) A(5,-2), B(1,0), C(-2,-10) E(0,3), F(2,-2), G(4,2), H(1,4) M(3,-2), N(0,4), O(5,6)

A'(2,-2), B'(0,8), C'(2,6), D'(4,1) A'(2,- 4), B'(2,0), C'(- 4,-4) E'(0,3), F'(1, - 1), G'(1,1), H'(1,1) M'(101,-7), N'(0,14), O'(171,21)

5

5

5

4

22

2

4

2

2

k = ____

k = ____

12

Determine the dilation from ABCD to A'B'C'D'

13 Determine the dilation from ABCD to A'B'C'D'

14

given the following graph:

given the following graph:

A'

B'

A

B

A

B

A' B'

D

C

D'

C'

k = ____

D' D

C'

C

k = ____

Reflection: From this activity, I learned...

k = ____

Determine the dilation from XYZ to X'Y'Z' given the following graph:

X'

X

Y Y' Z

Z'

k = ____

k = ____

Answers

Bubble in your answers below for problems #8-14.

2/ 5

5

2

1/ 2

1/ 3

1 1/2

1/ 4

2 1/4

2 1/ 2

3

2/ 3

1/ 5

4

3 1/2

? 2018 Math in Demand

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