Pre-Algebra Goal 1 Review

Properties

100

Which property is:

a+b = b+a

Commutative Property of Addition

200

Which property is:

xy = yx

Commutative Property of Multiplcation

300

Which property is:

x+(y+z) = (x+y)+z

Associative Property of Addition

400

Which property is:

3(x+5) = 3x+15

Distributive Property

500

Which property is:

x + 0 = x

Identity Property of Addition

Parts of an expression

100

What are the constants in the following expression?

3x - 5 - 7x + 2 - y

-5 and 2

200

What are the coefficients in the following expression?

3x - 5 - 7x + 2 - y

3, -7 and -1

300

What are the terms in the following expression?

3x - 5 - 7x + 2 - y

3x, -5, -7x, 2, and - y

400

What are the like terms in the following expression?

3x - 5 - 7x + 2 - y

3x and -7x

AND

-5 and 2

500

When naming one of the constants in the expression, would it be -5 or 5?

3x - 5 - 7x + 2 - y

-5

Simplify Expressions

100

Simplify:

3(5+3) - 9

15

200

Simplify:

7(1+6x) + 2x

7 + 44x

300

Simplify:

-5 - 2(-6 -6n)

7 + 12n

400

Simplify when p = -1 and m = 5:

p - p(p+m)

3

500

Simplify when x = 10 and y = -1

y - (y+x)/3

-4

Solve Equations

100

Find m:

-5m + 5 = 55

-10

200

Find x:

x/10 + 2 = 1

-10

300

Find p:

5 = -3p + 5 - 3p

0

400

find k:

8k - 35 = 8(k - 5)

No Solution

500

find x:

18 - 6x = -4x - 5(x - 3)

-1

Solve Inequalities

100

Graph and Solve:

v - 19 < -15

v < 4

200

Graph and Solve:

-3 + 10n > -143

n > -14

300

Graph and Solve: 

5 - 5x > -30

x < 7

400

Graph and Solve:

3x + 15 < 3(8x - 2)

x > 1

500

Graph and Solve:

n/3 + 6 < 12

n < 18