Subsitution
y=x-1
y=2x+2
(-3,-4)
9x+y=-12
7x+y=-10
(-1,-3)
2x-2y=16
y=x-8
What are 3 ways to solving system of equations?
Elimination, Subsitution and Graphing
y=x+5
y=2x+2
(3,8)
8x-7y=-5
4x-6y=10
(-5,-5)
15y-6x=60
y=2/5x+4
What is slope intercept form?
y=mx+b
y=3x+1
4y=12x+4
INFINITE SOLUTIONS
-3x-9y=-30
6x+7y=-6
(-8,6)
8x+6y=-6
y=-4/3x-1
What are the 3 types of solutions?
One Solution, Infintely Many and No Solution
y=2x-1
2x+3y=-7
(-1/2,-2)
4x-3y=-23
x+y=10
(1,9)
9x-3y=-18
y=-3x-6
8=3
What type of solution is this example?
NO SOLUTION
y=3x+1
4y=12x+3
NO SOLUTION
-6x+6y=12
3x-5y=8
(-9,-7)
8y-10x=-56
y=5/4x-7
0=0
What type of solution is this example?
INFINITE SOLUTIONS