Quiz about Math 8 Transformations

Question 1

The original figure prior to a transformation.

Accepted Answer

Pre-image

Answer

Image

Question 2

Write the rule for this translation:
Slide 3 up and 2 right

Accepted Answer

(x, y)-----> (x+2, y + 3)

Answer

(x, y)---->(x + 3, y + 2)

Answer

(x, y)----> (x - 2, y + 3)

Question 3

When a figure is translated down what happens?

Accepted Answer

You subtract from the y-value

Answer

You add to the y-value

Answer

You subtract from the x-value

Answer

You add to the x-value

Question 4

Which answer shows a reflection across the y-axis?

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 5

If we reflect triangle ABC over the line shown (y=-x), where would A' be located?

Accepted Answer

(-1,-2)

Answer

(2,-5)

Answer

(1,2)

Answer

(-1,-3)

Question 6

The result of a transformation.

Accepted Answer

Image

Answer

Pre-image

Question 7

If a Scale Factor is between 0 and 1, then your figure gets...

Accepted Answer

Smaller

Answer

Bigger

Answer

Turned upside-down

Answer

Does not change

Question 8

If a Scale Factor if greater than 1, then your figure gets...

Accepted Answer

Bigger

Answer

Smaller

Answer

Turned upside-down

Answer

Does not change

Question 9

A turn is also called a ___________.

Accepted Answer

Rotation

Answer

Translation

Answer

Reflection

Answer

Transformation

Question 10

Translations, reflections and rotations are all known as ________________________.

Accepted Answer

Transformations

Answer

Geometry

Answer

Congruent

Answer

Orientation

Question 11

Name the transformation.

Accepted Answer

Reflection

Answer

Translation

Answer

Rotation

Answer

Dilation

Question 12

When you translate, you ______ a number to x and y.

Accepted Answer

Add or subtract

Answer

Multiply or divide

Answer

Add or multiply

Answer

Subtract or divide

Question 13

Translation always create  _______ images

Accepted Answer

Congruent

Answer

Bigger

Answer

Smaller

Answer

Rotated

Question 14

When you translate, (x,y) --> (x - 4 , y) will move _____.

Accepted Answer

4 units left

Answer

4 units right

Answer

4 units up

Answer

4 units down

Question 15

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

Accepted Answer

Reflection across the x-axis

Answer

90^o clockwise rotation

Answer

90^o counterclockwise rotation

Answer

Reflection across the y-axis

Question 16

Describe the Transformation

Accepted Answer

Rotation 90 degrees clockwise

Answer

Reflection over y=x

Answer

Rotation 90 degrees counterclockwise

Answer

Translation

Question 17

Reflecting over the y-axis changes the ____-_____________.

Accepted Answer

x-coordinate

Answer

x-axis

Answer

y-coordinate

Answer

none of the above

Question 18

Which statement is FALSE about reflections?

Accepted Answer

Reflections preserve orientation.

Answer

Reflections create congruent images.

Answer

In a reflection, the image is the same distance from the line of reflection as the pre-image.

Answer

Reflections preserve size.

Question 19

Which statement is FALSE about dilations?

Accepted Answer

Dilations preserve size.

Answer

Dilations preserve shape.

Answer

Dilations preserve orientation.

Answer

Dilations can make smaller or larger images.

Question 20

What is the equation of the line of reflection?

Accepted Answer

x=-2

Answer

x=2

Answer

y=-2

Answer

x=undefined

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