Solve by Factoring
x2-2x-48=0
x=8
x=-6
x2-2x = 48
x=8
x=-6
3x2+9x - 12=0
x=-4
x=1
Will this parabola be concave up or concave down? y= -2(x+4)2+6
concave down
x2-8x=-7
x=7
x=1
4x2+8x+7 = 4
x = -1/2
x = -3/2
x2-8x=-7
x=1
x=7
Will this parabola be wide or narrow? y= -4x2-2x+7
narrow
6x2+18x = x - 12
x= -3/2
x= -4/3
5x2+7x=x2+2
x= 1/4
x= -2
x2+7x = x - 10
no solution
What is the vertex of this parabola? y= 5(x-7)2+2
(7, 2)
8x2+16x=90
x= 5/2
x= - 9/2
9x2+10x-80 = x2 - 6x + 10
x= 5/2
x= -9/2
x2+3 = 8x - x2
See Mrs. Myers
What are the other three phrases that mean "solutions"?
x-intercepts, zeros, roots