Quiz about 8.5G, 8,10C, & 8.3C

Question 1

Which graph does NOT represent y as a function of x?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 2

Which set of ordered pairs represents y as a function of x?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 3

Which representation shows y as a function of x?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 4

Which set of ordered pairs represents y as a function of x?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 5

Which graph represents y as a function of x?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 6

Which set of ordered pairs represents y as a function of x?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 7

A relation contains the points (1, 2), (2, -1), (3, 0), (4, 1), and (5, -1). Which statement accurately describes this relation?

Accepted Answer

The relation represents y as a function of x, because each value of x is associated with a single value of y.

Answer

The relation does not represent y as a function of x, because each value of x is associated with a single value of y.

Answer

The relation represents y as a function of x, because one value of y is associated with two values of x.

Answer

The relation does not represent y as a function of x, because each value of y is associated with two values of x.

Question 8

Which representation shows y as a function of x?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 9

Which graph does NOT represent y as a function of x?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 10

Which set of ordered pairs represents y as a function of x?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 11

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 12

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

Accepted Answer

1/3

Answer

3

Answer

8

Answer

16

Question 13

What is the scale factor?

Accepted Answer

k = 1/2

Answer

k = 2

Answer

k = 4

Answer

k = 1/4

Question 14

What scale factor was used to produce the image?

Accepted Answer

1/2

Answer

2

Answer

-2

Answer

1

Question 15

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

Accepted Answer

4 units left

Answer

4 units right

Answer

4 units up

Answer

4 units down

Question 16

When you translate, (x,y+6) will move _____.

Accepted Answer

6 units up

Answer

6 units right

Answer

6 units left

Answer

6 units down

Question 17

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 18

Identify the transformation.

Accepted Answer

Translation 5 units left, 1 unit up.

Answer

Reflection across y-axis

Answer

90 Rotation counter clockwise

Answer

Translation 5 units right, 1 unit down

Question 19

Point (-5,2) is reflected over the y axis.  Where is the new point located?

Accepted Answer

(5,2)

Answer

(-5,-2)

Answer

(-5,2)

Answer

(5,-2)

Question 20

Point (7,2) is translated vertically 2 units and horizontally -5 units.  Where is the new point located?

Accepted Answer

(2,4)

Answer

(9,-3)

Answer

(2,0)

Answer

12,4)

Question 21

Apply the following rule to the point (-5,6):
(x,y)-->(y,-x)

Accepted Answer

(6,5)

Answer

(-5,-6)

Answer

(5,-6)

Answer

(-6,5)

Question 22

Reflect Point C over the y-axis:

Accepted Answer

(-3, 2)

Answer

(3,2)

Answer

(-2,3)

Answer

(3,0)

Question 23

Write a rule for the translation.

Accepted Answer

(x +2, y  - 1)

Answer

(x -1, y  + 2)

Answer

(x -2, y  + 1)

Answer

(x +1, y  -  2)

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