Factoring
#1. Solve by factoring:
x^2+12x+32=0
x=-8, -4
#8. Solve using quadratic formula:
6x^2+25x-119=0
x=-7, 17/6
#4. Solve by completing the square:
x^2+4x-6=0
x=-2+-sqrt10
#18.
y=x^2+2x-8
Find a) AOS b) Vertex c) x-intercepts d) y-intercept
a) x = -1
b) (-1, -9)
c) (-4,0) and (2,0)
d) (0,-8)
#2. Solve by factoring:
7x^2+9x+2=0
x=-1, -2/7
#9. Solve using quadratic formula:
4x^2+8x-221=0
x=-17/2, 13/2
#5. Solve by completing the square:
x^2-2x-4=0
x=1+-sqrt5
#22.
y=1/2x^2+4x+8
Find a) AOS b) Vertex c) x-intercepts d)y-intercept
a) x = -4
b) (-4,0)
c) (-4,0)
d) (0,8)
#3. Solve by factoring:
x^2-18x+17=0
x=1, 17
#10. Solve using quadratic formula:
2x^2+2x=-3
x=(-1+-isqrt5)/2
#6. Solve by completing the square:
3x^2+3x-18=0
x=-3, 2
#21.
y=-x^2+10x-20
Find a) AOS b) Vertex c) x-intercepts d) y-intercept
a) x = 5
b) (5,5)
c) (2.8,0) and (7.3,0)
d) (0,-20)