Chapter 5 Review

IDENTIFY

100

How many terms are in the expression?

9x-10+7y+12m

4 terms

200

List the coefficients

7p-8m+12

7, -8

300

List the constants,

6-9y+m

6

400

List the coefficients,

8m-9+y

8, 1

500

8mp-8y+8-7pm

List the coefficeints.

8, -8, -7

Simplify

100

Simplify the expression

12+(9+y)

y+21

200

Simplify the expression

9(x)(2)

18x

300

Simplify the expression when x=9

3x-12+x

3(9)-12+9

27-12+9

15+9

24

400

Simplify the expression when x=4,

x^2 - x + 3

(4)^2 - 4 + 3

16-4+3

12+3

15

500

Simplify the expression when x=3.2

6x-7.1

6(3.2)-7.1

19.2-7.1

12.1

Properties

100

What property is demonstrated?

1(9)=9

The identity property of multiplication

Multiplicative Identity

Multiplicative property of one

200

What property is demonstrated?

3+4=4+3

Commutative Property of Addition

300

What property is demonstrated?

(2+3)+8=8+(2+3)

Commutative Property of Addition

400

Finish the equation to demonstrate the associative property of multiplication,

4(9x)=________

(4*9)x

500

Create your own example of the Additive Identity.

6+0=6

a+0=a

Factoring and Distributive Property

100

Use the distributive property to simplify.

3(2x+10)

6x+30

200

Use the distributive property to simplify.

12 (3x-12)

36x-144

300

Factor the expression using the GCF.

12x-36

12(x-3)

400

Factor the expression using the GCF.

15y-100

5(3y-20)

500

John buys 3 tee shirts that each cost x dollars.  Each shirt has a discount.  The total of the bill comes to (3x-21) dollars.  How much is the discount of one shirt

7 dollars

mix

100

Simplify using exponents.

3mmm

3m^3

200

Write your own example of the associative property of addition.

6+(8+7)=(6+8)+7

300

Write the phrase as an expression.

The product of a number x and 4

4x

400

The sum of twice a number and 13.

2x+13

500

The difference between a number x and the sum of 3 and 2.

(3+2)-x