Algebra 2 Test Review

Properties & Names

100

Name the property:

5*(2*8)=(5*2)*8

Associative (multiplication)

200

Name that property:

7y+(-7y)=0

Inverse (additive)

300

What is the multiplicative inverse of 3x?

1/(3x)

400

True or false, if false give a counter example.

Integers are closed under multiplication.

True

500

Name all the sets to which the number belongs:

sqrt36-2*3

Real, Rational, Integer, Whole number, Natural Number

Expressions

100

9-32divide4

1

200

2(7)-10/(9-4)

12

300

29-(11-2^3)+6^2divide4

35

400

4^3-|-8|*6divide16

61

500

((9-15)^2*(7-2^2))/(sqrt49+5)-|-5|

4

Equations

100

3(2x-4)=24

x=6

200

10-(8p+3)=9(2p-5)

p=2

300

(3a-1)/8=(a+9)/4

a=19

400

Solve for n

4m-n=1

n=-1+4m

500

Solve for x

(x-y)/(2z)=3

x=6z+y

Inequalities

100

-7a-11<1-4a

(-4,oo)

200

-2(7+y)>=-8(y+1)

[1,oo)

300

-2x-7>1 or x-2>=-1

(-oo,-4)U[1,oo)

400

-13<=3+8p<=11

[-2,1]

500

3>=(9-w)/3>1

[0,6)

Absolute value

100

|x-7|=16

{-9,23}

200

2=|8p+10|

{-1,-3/2}

300

-9|c+8|=-99

{-19,3}

400

|b+3|>=7

(-oo,-10)U(4,oo)

500

|3-9y|<=33

[-10/3,4]