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


Practice

Solve for x.
a)    9x2 +x−3 = 0
-1/18 ± 109/18

b)    9x2 +4x−1 = 0
-2/9 ± 13/9

c)    1x2 +5x−2 = 0
-5/2 ± 33/2

d)    6x2 −3x−5 = 0
1/4 ± 129/12

e)    -1x2 −5x+2 = 0
-5/2 ± 33/2

f)    9x2 −3x−3 = 0
1/6 ± 13/6

g)    4x2 −7x−3 = 0
7/8 ± 97/8

h)    8x2 −6x−6 = 0
3/8 ± 57/8

i)    1x2 −6x−4 = 0
3 ± 13

j)    -6x2 −7x+6 = 0
-7/12 ± 193/12