Practice
Solve for x.a) -2x2 +6x−3 = 0
3/2 ± /2
3/2 ± /2
b) 2x2 −9x+2 = 0
9/4 ± /4
9/4 ± /4
c) 3x2 +9x+1 = 0
-3/2 ± /6
-3/2 ± /6
d) 4x2 +7x+2 = 0
-7/8 ± /8
-7/8 ± /8
e) 4x2 +3x−6 = 0
-3/8 ± /8
-3/8 ± /8
f) -3x2 +6x+1 = 0
1 ± 2/3
1 ± 2/3
g) -3x2 −9x+4 = 0
-3/2 ± /6
-3/2 ± /6
h) 7x2 +2x−7 = 0
-1/7 ± 5/7
-1/7 ± 5/7
i) 1x2 +8x−2 = 0
-4 ± 3
-4 ± 3
j) -6x2 −5x+9 = 0
-5/12 ± /12
-5/12 ± /12
