elimination
x+y=7
2x-y=2
(3,4)
4x+6=4x+6
many solutions
slope intercept form
Y=mx+b
4x+3x2+2x+x2+5
4x2+6x+5
x-y=-6
-2x+3y=16
(-2,4)
6x-5=2(3x+4)
no solution
Quadratic Formula
x=-b+-√b2-4ac over 2a
(4x2+2x-3)+(3x2+6)
7x2+2x+3
x+3y=7
2x+2y=6
(1,2)
x2-4x+3=0
2 solutions
point slope form
y-y1=m(x-x1)
(-2x2+5x-7)+(3x+7)
-2x2+8x
4x-4y=8
10x+3y=-19
(-1,3)
Pythagoreah Theoem
a2+b2=c2
(3x2+x+2)(2x+4)
6x3+14x2+8x+8
compound Interest
A=p(1+R over N)n(t)
(2x-5)(-3x2+4x-7)
-6x3+23x2-34x+35