Test Review

Exponents

100

5²

25

200

(7x²)²

49x⁴

300

    k⁹
_______
    k⁴

k⁵

400

s⁵ * s³

s⁸

500

3²y^-2

   9
_____
   y²

Expressions

100

2x + 4x

6x

200

6x * 6x

36x²

300

5x(2x + 10)

10x² + 50x

400

9(7y + 9)

63y + 81

500

-7g(5g - 3)

-35g² + 21g

Equations/Inequalities

100

5x + 2 = 27

x = 5

200

14 > x - 9

5 > x

300

-3x - 2 < 13

x > -5

400

42 + 5t = 8t

t = 14

500

14 + 13y = 20y – 21

y = 5

Proportional RelationshipLinear Relationship

100

Is the graph a proportional relationship?

See Problem 1 in Word Document

Yes.

200

Is the table showing a proportional relationship?

Show # 2 in Word Document

No.

300

Sally is hosting an event and needs 60 flowers. A local flower shop is having a sale. You can purchase 3 roses per 9 daisies. How many roses can she buy? How many daisies?

15 roses and 45 daisies

400

Jonah's mother paid him $20 at the beginning of summer and now pays him $10 per week. Write the equation in slope intercept form.

How much would he make in 5 weeks?

y = 10x + 20

$70

500

Find the slope and write an equation from the following information:

X       Y
0       2
3       8
6      14
10    22

Slope:  2/1 or 2

Equation: y=2x + 2

Functions

100

Determine the Range from the following:

X:  0     3      6      10

Y:  20    8    -4     -20

20, 8, -4, -20

200

Is this a function? 

Word document 3

Yes.

300

Determine if the following data is a function:

(0,2) (5,3) (-5,-3) (0,-2) (7,-5) (-7,5) (2,3)

No

400

True or False:

The function is constant when x = 0 and x = 3

See # 4 on word document

False

500

Answer the following...

Word Document # 5

2500

2

2500