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


Practice

Solve for x.
a)    -2x2 +6x−3 = 0
3/2 ± 3/2

b)    2x2 −9x+2 = 0
9/4 ± 65/4

c)    3x2 +9x+1 = 0
-3/2 ± 69/6

d)    4x2 +7x+2 = 0
-7/8 ± 17/8

e)    4x2 +3x−6 = 0
-3/8 ± 105/8

f)    -3x2 +6x+1 = 0
1 ± 23/3

g)    -3x2 −9x+4 = 0
-3/2 ± 129/6

h)    7x2 +2x−7 = 0
-1/7 ± 52/7

i)    1x2 +8x−2 = 0
-4 ± 32

j)    -6x2 −5x+9 = 0
-5/12 ± 241/12