Unit 2 Review

Expressions

100

What is the number in front a variable called?

coefficient

200

What is the second term of the expression  2x²+3x-1?

3x

300

Simplify 8(3x+4)-20

24x+4

400

Simplify 3(4x+2)+2(x-1)

14x+4

500

Simplify 3/5 (10x+20) + 4/9 (9x-27)

10x

Equations

100

Solve 2x+7=1

x=-3

200

Solve 6(2x-5)-8=4

x=7/2

300

Solve 6-5(2x+1)=21

x=-2

400

Solve -2x+5=3x+1

x=4/5

500

Solve 8-3(2x-5)=4(x+2)

x=3/2

Inequalities

100

What is the type of circle for greater than or equal to?

closed

200

What is the type of circle for less than?

Open circle

300

Solve and graph. 3x+2>x-6

x>-4

Compound Inequalities

100

Solve and graph. p-8>-6    or   1+4p<-39

p>2  or   p<-10

200

4n-5>23.     or.      n-2<1

n>7.   or    n<3

300

-8<6a+10<58

-3<a<8

Literal Equations

100

Solve for L. P=2L+2W

L=P/2-W

200

Solve for x. ax=b

x=b/a

300

Solve for m. D=m/V

m=DV