Algebra 2 Unit 1 test Review

Solve

100

3x+9=12

X=1

200

5(x+3)-4=10

x=-1/5 or -0.2

300

(2x-9)/2 = x+1

x=-11

400

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

p=2

500

x/5 - 6 > 2

x>40

Absolute Value

100

|2x-4|=2

x=3, x=1

200

3|-2x+1|=27

x=-4, x=5

300

-2|x-4|=-2

x=5, x=3

400

|5-2x|-11<0

 x>-3, x<8

500

7|9-2x|+9=-12

No solution

Inequalities

100

x+7>4

x>-3, open, to the right

200

x-18>-15

x>13, open, to the right

300

3-(4m+1)>5m-25

equal to

3> or equal to m, closed and to the left

400

3(x-4)< or equal to x-6

x<or equal to 3, closed, to the left

500

4+5(2w-10)=x+7

w>5, open, to the right

Compound Inequalities

100

x-5>0 or 3x-1<8

x>5 or x<3

200

3x+1<4 and -2x+2 < or equal to 8

x<or equal to -3 and x<1

closed and open

toward each other

300

-16<4x+8<24

-6< x <4

400

2< x/3 -1 < 6

9<x<21

500

r/5-8> 3 or 2<_ 4 - r/3

??

Misc

100

|x-4|<7

x>-3 and x<11, open, towards each other

200

What color is a giraffe’s tongue?  

Black or Dark Purple, dark blue

300

When I multiply or divide by a negative what happens to the sign

it flips

400

Evaluate each expression if a=2, b=3/2, and c=3.

ac/4b-c

2

500

Evaluate the expression if a=2, b=3/2, and c=3

a^2 - (ab+c)

-2