Practice
Solve for x.a) 7x2 +3x−6 = 0
-3/14 ± /14
-3/14 ± /14
b) -6x2 +6x−1 = 0
1/2 ± /6
1/2 ± /6
c) 8x2 −4x−7 = 0
1/4 ± /4
1/4 ± /4
d) 3x2 +6x−4 = 0
-1 ± /3
-1 ± /3
e) -9x2 −9x+5 = 0
-1/2 ± /6
-1/2 ± /6
f) 8x2 +2x−2 = 0
-1/8 ± /8
-1/8 ± /8
g) 7x2 −9x−3 = 0
9/14 ± /14
9/14 ± /14
h) -3x2 −9x+4 = 0
-3/2 ± /6
-3/2 ± /6
i) 1x2 −8x−5 = 0
4 ±
4 ±
j) -8x2 +2x+8 = 0
1/8 ± /8
1/8 ± /8