How do we eliminate...
Division
What is multiplication?
What is multiply?
What is times?
x2 + 8x + 12 = 0
What is x = -2 or x = -6?
-3\sqrt{2x+5}+8=-7
What is x = 10?
What is 10?
\sqrt{-5x+14}=x
What is x = -7?
What is -7?
y=4x-9
y=x-3
What is (2, -1)
Square (power of 2)
What is square root?
What is radical?
x2 - 2x = 35
What is x = 7 or x = -5?
What is 7 or -5?
3(x-2)^2-11=16
What is x = 5 or x = -1?
What is 5 or -1?
5(x+4)^2-9=-29
What is no real solutions?
What is no solutions?
-8x-10y=24
6x+5y=2
What is (7, -8)?
Absolute Value
What is create two equations, one positive and one negative?
-1 = x2 - 2x
What is x = 1?
What is 1?
3|x+2|-1=8
What is x = 1 or x = -5?
What is 1 or -5?
|3x+2|=4x+5
What is x = -3?
What is -3?
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 shirts, how many fancy shirts did she buy?
What is 2 fancy shirts?
Equations with denominators
What is multiply by a common denominator?
x2 + 20 = 9x
What is x = -4 or x = -5?
What is -4 or -5?
x/8+1/2=1/4
What is x = -2?
What is -2?
1/x+1/3=5/6
What is no solutions?
What is no solutions?
A class of 195 students went on a field trip. The class took 7 total vehicles, some cars and some buses. If each car holds 5 students and each bus holds 45 students, how many buses did the class ride on?
What is 4 buses?