abcd Quadratic Equations - Quadratic Formula(L2)
Quadratic Equations - Quadratic Formula(L2)


Practice

Solve for x.
a)    -3x2 −9x−3 = 0
-3/2 ± 5/2

b)    7x2 +7x−6 = 0
-1/2 ± 217/14

c)    6x2 +x−9 = 0
-1/12 ± 217/12

d)    3x2 −6x−6 = 0
1 ± 3

e)    8x2 −4x−9 = 0
1/4 ± 19/4

f)    -4x2 +x+8 = 0
1/8 ± 129/8

g)    7x2 −5x−8 = 0
5/14 ± 249/14

h)    8x2 −2x−7 = 0
1/8 ± 57/8

i)    2x2 −6x+3 = 0
3/2 ± 3/2

j)    7x2 +2x−4 = 0
-1/7 ± 29/7