Quiz about Thursday Review

Question 1

Write the equation for the model.

Accepted Answer

-x - 2 = 2x - 8

Answer

2x - 2 = -x - 8

Answer

-x - 2x = 2x - 8x

Question 2

Solve for x

Accepted Answer

x = 2

Answer

x = 4

Answer

x = 1

Answer

2x = 4

Question 3

Solve for x

Accepted Answer

-2

Answer

2

Answer

6

Answer

-6

Question 4

Enlargement or reduction?  Find the scale factor!

Accepted Answer

It's a reduction; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 1/2.

Question 5

Enlargement or reduction?  Find the scale factor!

Accepted Answer

It's an enlargement; the scale factor is 2.

Answer

It's an enlargement; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 1/2.

Answer

It's a reduction; the scale factor is 2.

Question 6

Angle 1 = 27^oFind the measure of angle 4

Accepted Answer

27o

Answer

153o

Answer

63o

Answer

90o

Question 7

What is the value of x?

Accepted Answer

108

Answer

27

Answer

72

Answer

153

Question 8

Question 8.

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 9

Question 9.

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 10

Question 10.

Accepted Answer

F

Answer

G

Answer

H

Answer

J

Question 11

What is the formula for Constant of Proportionality?

Accepted Answer

y = kx

Answer

y = k + x

Answer

y = k - x

Answer

x = ky

Question 12

What is the constant of proportionality for this table?

Accepted Answer

$9 per hour

Answer

$1/9 per hour

Answer

$8 per hour

Question 13

Which of the following is the correct formula for finding the constant of proportionality?

Accepted Answer

k = y/x

Answer

k = x/y

Answer

y = k/x

Answer

x = k/y

Question 14

The point (0, 0) is called the origin.

Accepted Answer

True

Answer

False

Question 15

What is the constant of proportionality?

Accepted Answer

4

Answer

5

Answer

1/4

Answer

20

Question 16

What is the constant of proportionality?

Accepted Answer

8

Answer

4

Answer

1/4

Answer

1/8

Question 17

Question 17.

Accepted Answer

Not a Function

Answer

Function

Question 18

Which set of ordered pairs is a function?

Accepted Answer

{(6,-5), (7, -3), (8, -1), (9, 1)}

Answer

{(9,5), (10,5), (9,-5), (10,-5)}

Answer

{(3,4), (4,-3), (7,4), (3, 8)}

Answer

{(2, -2), (5, 9), (5, -7), (1, 4)}

Question 19

A triangle has vertices with coordinates A(2,0), B(3, -1) and C(-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 C'?

Accepted Answer

(-6,-15)

Answer

(1,-2)

Answer

(-2/3,-5/3)

Answer

(-5,-8)

Question 20

State the coordinate of the image of point B (-10,-6) after a dilation with a scale factor of 1/2.

Accepted Answer

(-5,-3)

Answer

(5,3)

Answer

(20,12)

Answer

(-20,-12)

Question 21

Is this an example of a proportional or non-proportional linear situation?

Accepted Answer

Non-Proportional

Answer

Proportional

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