Pre-Algebra Chapter 2 Review

Properties of Numbers

100

Name the property shown.

3*2=2*3

Commutative Property of Multiplication

200

Name the property shown.

15+0=15

Identity property of addition

300

Name the property shown.

(2+3)+4=2+(3+4)

Associative property of addition

400

Name the property shown.

a*b=b*a

Commutative property of multiplication

500

Name the property shown.

2*(3+2)=2*3+2*2

Distributive Property

Algebraic Expressions

100

Simplify.

2(x+4)

2x+8

200

Simplify.

-3(y-4)

-3y+12

300

Simplify.

-3x+8(x+y)

5x+8y

400

Simplify.

(2x+4)3+6(-5x)-(-8)

-24x+20

500

Simplify.

18b-6(9a-7-10b)+4a

-50a+78b+42

Solving Equations using Addition and Subtraction

100

Solve and check. Show your work.

x+9=50

x = 41

200

Solve and check. Show your work.

-15=-5+a

a = -10

300

Solve and check. Show your work.

x - (-4) = 12

x = 8

400

Solve and check. Show your work.

-9 + y = -19

y = -10

500

Solve and check. Show your work.

-19 + x - 25 = -44

x = 0

Solving Equations Using Multiplication and Division

100

Solve and check. Show your work.

x/-5 = 10

x = -50

200

Solve and check. Show your work.

-9a = -63

a = 7

300

Solve and check. Show your work.

92 = -2x

x = -46

400

Solve and check. Show your work.

-220x = 1,100

x = -5

500

Solve and check. Show your work.

-16x = -112

x = 7

Solving Inequalities

100

Solve the inequality, then graph its solution on a number line. Show your work.

x + 12 > 15

x > 3

200

Solve the inequality, then graph its solution on a number line. Show your work.

-5 + y < 22

y < 27

300

Solve the inequality, then graph its solution on a number line.

-5x < -10

x > 2

400

Solve the inequality, then graph its solution on a number line. Show your work.

x/4 < -10

x < -40

500

Solve the inequality, then graph its solution on a number line. Show your work.

25x > -100

x > -4