Quiz about Dilation Review

Question 1

When the scale factor of a dilation is less than one, the dilation is a...

Accepted Answer

Reduction

Answer

Enlargement

Question 2

Choose the correct scale factor:

Accepted Answer

2

Answer

3

Answer

1/3

Answer

1/2

Question 3

A dilation produces a similar figure

Accepted Answer

True

Answer

False

Question 4

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

Accepted Answer

A'(9,9) B'(18,18) C'(27,9)

Answer

A'(6,6) B'(9,9) C'(12,6)

Answer

A'(0,0) B'(3,3) C'(6,0)

Answer

A'(1,1) B'(2,2) C'(3,1)

Question 5

Dilate Point C by a scale factor of 3:

Accepted Answer

(9, 6)

Answer

(12,0)

Answer

(12,12)

Answer

(1, 2/3)

Question 6

If a dilation produces a congruent figure, then the scale factor was equal to _____.

Accepted Answer

1

Answer

1/2

Answer

2

Answer

10

Question 7

What scale factor was used to produce the image?

Accepted Answer

1/2

Answer

2

Answer

-2

Answer

1

Question 8

What type of Fish is Nemo?

Accepted Answer

Clownfish

Answer

Happy fish

Answer

Goldfish

Answer

Sad fish

Question 9

Which of the following is a dilation?

Accepted Answer

Either an enlargement or a reduction

Answer

Only an enlargement

Answer

Only a reduction

Answer

Neither an enlargement nor a reduction

Question 10

The figure before a transformation has occurred is called what?

Accepted Answer

Pre-image

Answer

Image

Answer

Translation

Answer

Reflection

Question 11

The figure after a transformation has occurred is called what?

Accepted Answer

Image

Answer

Pre-image

Answer

Translation

Answer

Reflection

Question 12

Dilate a figure with coordinates of A(3,3), B(6,6), and C(9,3) by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

Accepted Answer

A'(9,9) B'(18,18) C'(27,9)

Answer

A'(6,6) B'(9,9) C'(12,6)

Answer

A'(0,0) B'(3,3) C'(6,0)

Answer

A'(1,1) B'(2,2) C'(3,1)

Question 13

If Triangle ABC is dilated using a scale factor of 1/2, what will be the coordinates of C'?

Accepted Answer

(3, -1.5)

Answer

(-1, -2.5)

Answer

(12, 6)

Answer

(0, 1.5)

Question 14

To dilate a figure, _____________ the coordinates of the figure by the scale factor.

Accepted Answer

multiply

Answer

subtract

Answer

add

Answer

divide

Question 15

What is the formula for scale factor?

Accepted Answer

$$\frac{new}{old}$$

Answer

$$\frac{old}{new}$$

Question 16

Two figures are congruent if they have the _______ shape and _______ size.

Accepted Answer

Same, Same

Answer

Different, Same

Answer

Same, Different

Answer

Different, Different

Question 17

ABC is dilated about P(3, -1) by a scale factor of 0.5.

Find the coordinates of A'.

Accepted Answer

A'(-2, 2)

Answer

A'(-2, 5)

Answer

A'(-7, 2)

Answer

A'(-3.5, -2.5)

Question 18

ABC is dilated about P(4, 2) by a scale factor of 1/4.

Find the coordinates of C'.

Accepted Answer

C'(3, 1)

Answer

C'(1, 0.5)

Answer

C'(2, 1)

Answer

C'(1, -1)

Question 19

ABC is dilated about P(2, -4) by a scale factor of 3.

FInd the coordinates of B'.

Accepted Answer

B'(-4, 2)

Answer

B'(0, 6)

Answer

B'(-2, 0)

Answer

B'(-4, 4)

Answer

B'(-6, 4)

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