All Things Quadratic
How many x intercepts can their be for a quadratic?
What is 0, 1, or 2?
x2 +2x -3 = 0
x = 1, -3
Mr. D's favorite winter time activity
What is Snowboarding
Solve by using the Quadratic Formula
3x2+9x-2=0
x=(-9+-sqrt(105))/6
Solve the Quadratics by Factoring
x2+2x=3
-3,1
What does a quadratic look like?
what is a big U?
x2 +16x - 17 = 0
x2+2x-8=0
2 and -4
Solve by using the Quadratic Formula
2x2-9x-5=0
x = 5 , -1/2
Solve the Quadratics by Factoring
x2+16=10x
2, 8
How many ways can we solve? Name all three and how we use them.
Factoring, Quadratic formula, Complete the square
x2 + 2x - 48 = -6
x=(-1+-sqrt(43))
4(x+1)2=16
1 and -3
Solve by using the Quadratic Formula
-3x2-7x+2=0
x=(7+-5sqrt(3))/-6
Solve the Quadratics by Factoring
6n2-n=2
-1/2 and 2/3
Completing the square gives us what?
what is graphing form, or x-intercepts
2x2 + 12x + 8 = 0
x=(-3+-sqrt(5))
x2+2x-24=0
-6 and 4
Solve by using the Quadratic Formula
2x2+2=5
x=-1+-sqrt(11)/2
Solve the Quadratics by Factoring
x2-5x+6=0
2 and 3
What is the vertex? y=-(x+5)2-6
(-5,-6)
x2+5x-8=0
x=(-2.5+-sqrt(14.25))
x2-11x+19=-5
3 and 8
Solve by using the Quadratic Formula
2x2+11x+ 9=0
x = -1, -9/2
Solve the Quadratics by Factoring
2x2-8=31x-2x2
-1/4 and 8