Solve by Factoring
Solve by Square Roots
Graphing and Quad. Formula
Sem 2 Review
Sem 2 Review
100
(x+2)(3x-5)=0
-2, 5/3
100
x^2=40
2sqrt10, -2sqrt10
100
2, -2
100
f(x)=6x+11
Find f(-2)
-1
100
Distribute 5x^3(2x^2-6x-2)
10x^5-30x^4-10x^3
200
x^2+3x-10=0
-5, 2
200
x^2+3=52
7, -7
200
3
200
f(x)=2x-4
Find x if f(x)=10
x=7
200
Factor out a GCF:
12x^5+30x^2
6x^2(2x^3+5)
300
x^2-18x+81=0
9
300
3x^2-60=303
11, -11
300
5x^2+5x-24=0
(-5+-sqrt505)/10
300
Solve the system by substitution:
y=x+3
2x+3y=4
(-1,2)
300
Simplify (3x^4y^2)(5xy^5)
15x^5y^7
400
x^2-x=12
4, -3
400
2x^2+2=200
3sqrt11, -3sqrt11
400
x^2+3x-130=0
10, -13
400
Solve the system by elimination:
4x-2y=22
3x+2y=-1
(3,-5)
400
A population of bacteria grows at a rate of 2% per day. If there were 100 bacteria to begin, how many bacteria will there be in two weeks?
f(x)=100(1+.02)^x
132 bacteria