Quiz about Reflections and Dilations

Question 1

Point C (-5, 4) is reflected over the x-axis. What are the coordinates of C'?

Accepted Answer

(-5, -4)

Answer

(5, 4)

Answer

(5, -4)

Answer

(-5, 4)

Question 2

Reflect Point C over the y-axis:

Accepted Answer

(-3, 2)

Answer

(3,2)

Answer

(-2,3)

Answer

(3,0)

Question 3

Flipping a figures is a ...

Accepted Answer

Reflection

Answer

Rotation

Answer

Dilation

Answer

Translation

Question 4

Reflect over the x axis and find K'.

Accepted Answer

(1, 4)

Answer

(4, 1))

Answer

(-1, -4)

Answer

(1, -4)

Question 5

Which answer shows a reflection across the x-axis?

Accepted Answer

c

Answer

d

Answer

b

Answer

a

Question 6

Reflect over x-axis. Which point would be at (3, -6)

Accepted Answer

A

Answer

B

Answer

C

Answer

H

Question 7

Is the picture being reflected in the y-axis or x-axis?

Accepted Answer

y-axis

Answer

x-axis

Question 8

Reflections over the x-axis change the ____-__________.

Accepted Answer

y-coordinate

Answer

x-coordinate

Question 9

Which answer shows a reflection across the y-axis?

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 10

Identify the transformation from ABC to A'B'C'.

Accepted Answer

Reflection across the x-axis

Answer

90^o clockwise rotation

Answer

90^o counter clockwise rotation

Answer

Reflection across the y-axis

Question 11

State the line of reflection.

Accepted Answer

Reflection across x-axis

Answer

Reflection across y-axis

Answer

Reflection across x = 1

Answer

Reflection across y = 1

Question 12

This pictures shows what?

Accepted Answer

reflection over the y-axis

Answer

reflection over the x-axis

Answer

nothing important

Answer

reflection over the y-coordinate

Question 13

Reflections over the x-axis change the ____-__________.

Accepted Answer

y-coordinate

Answer

x-coordinate

Answer

y-axis

Answer

x-axis

Question 14

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 15

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

Accepted Answer

(6,0), (9,-3), (-6,-15)

Answer

(5,3), (6,2), (1,-2)

Answer

(2/3,0), (1,-1/3), (-2/3,-5/3)

Answer

(-1,-3), (0,-4), (-5,-8)

Question 16

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

Accepted Answer

(-5,-3)

Answer

(5,3)

Answer

(20,12)

Answer

(-20,-12)

Question 17

Choose the correct scale factor:

Accepted Answer

2

Answer

3

Answer

1/3

Answer

1/2

Question 18

Dilate Point B by a scale factor of 1/2

Accepted Answer

(-1.5,1)

Answer

(1.5,-4)

Answer

(-1,-1.5)

Answer

(-2,-2)

Question 19

Dilate Point B by a scale factor of 3:

Accepted Answer

(0,12)

Answer

(12,0)

Answer

(12,12)

Answer

(4,3)

Question 20

A dilation is which of the following:

Accepted Answer

Either an enlargement or a reduction

Answer

only an enlargement

Answer

only a reduction

Answer

Neither an enlargement or a reduction

Question 21

Does the image show a dilation?

Accepted Answer

No

Answer

Yes

Question 22

A dilation can produce a larger figure or a(n)______
use a synonym for larger

Accepted Answer

enlargement

Answer

reduction

Answer

scale factor

Answer

center of dilation

Question 23

A dilation can produce a smaller figure or a(n)______
use a synonym for smaller

Accepted Answer

reduction

Answer

enlargement

Answer

scale factor

Answer

center of dilation

Question 24

What is the definition of dilation,  in mathematical terms?

Accepted Answer

to make larger or smaller

Answer

to only make larger

Answer

all of the above

Answer

to only make smaller

Question 25

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor k = 2.

Accepted Answer

(8,18)

Answer

(2,4.5)

Answer

(-8,-18)

Answer

(9,4)

Question 26

When A(3, 6) is under a dilation of 2 what are the coordinates of A'?

Accepted Answer

(6, 12)

Answer

(3, 6)

Answer

(1.5, 3)

Answer

(12, 6)

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