Unit 2 Review

Solve Linear Equations/ Inequalities

100

3x-5=4

x=3

200

2x+7>17

x>5

300

-6y<30

y>-5

400

5(w+18)=40

w=-10

500

s/7=5

s=35

Solve Multi-Variable Equations

100

Solve for r:

p=r-s+5

r=p+s-5

200

Solve for w

x=w/y

w=xy

300

Solve for a:

c=ab

a=c/b

400

Solve for y:

w=xy-z

y=(w+z)/x

500

Solve for c:

a=-bcd

c=-a/bd

Solve Quadratics

100

r²=9

r=3 and r=-3

200

y²=121

y=11 and y=-11

300

x²-8=8

x=4 and x=-4

400

w²+36=20

No real solution

500

(x+17)²=49

x=-10 and x=-24

Factor/ XIntercepts

100

Factor: 4w²-16w

4w(w-4)

200

Factor: y²+9y+20

(y+4)(y+5)

300

Find x-intercepts: (6x-30)(x-10)=0

x=5 and x=10

400

Factor and find x-intercepts: 

16x²-64x+64=0

x=2

500

Factor and solve for x-intercepts:

x²-25=0

x=5 and x=-5

Vocabulary

100

Factor: numbers that are _____ together to get another number.

multiplied

200

Perfect squares: number result from multiplying a number by ______.

itself

300

x-intercepts: points in a line that crosses the _______ in a graph.

x-axis

400

Zero product property: set equal to ______.

zero

500

Linear: is a ______ line on a graph.

straight