Quadratic Formula
Quadratic Formula
Completing the Square
Solve by Square Root
Solve by Factoring
100
m^2 − 5m− 14= 0
{7, −2}
100
2x^2-3x-2=0
{-1/2, 2}
100
c^2+18c-175=0
{-25, 7}
100
x^2=64
plus/minus 8
100
n^2+9n+22=4
{-3, -6}
200
2x^2 − 3x− 5= 0
{5/2, −1}
200
2y^2-6y-8=0
{-1, 4}
200
z^2-6z=315
{-15, 21}
200
(y-7)^2=0
7
200
x^2-49=0
plus/minus 7
300
r^2+8r=-7
{-7, 1}
300
n^2-6n-1=0
3 plus/minus sqrt(10)
300
p^2+8p+7=0
{-1, -7}
300
3x^2=108
plus/minus 6
300
2b^2+b-3=0
{-3/2, 1}
400
2x^2−36=x
{9/2,−4}
400
-2x^2+8x+5=0
(4 plus/minus sqrt(26))/2
400
x^2+9x-39=0
(-11 plus-minus sqrt(185))/2
400
8(x+3)^2=56
-3 plus/minus sqrt(7)
400
4m^2-m-8=-5
{-3/4, 1}
500
2x^2-3x-20=0
5/2 and -4
500
j^2-6j=13
3 plus/minus sqrt(22)
500
p^2+3p-65=0
(-3 plus/minus sqrt(269))/2
500
(y+2)^2=12
-2 plus/minus 2sqrt(3)
500
5n^2-6n=-1
{1/5, 1}
M
e
n
u