Practice
Solve for x.a) 9x2 +x−3 = 0
-1/18 ± /18
-1/18 ± /18
b) 9x2 +4x−1 = 0
-2/9 ± /9
-2/9 ± /9
c) 1x2 +5x−2 = 0
-5/2 ± /2
-5/2 ± /2
d) 6x2 −3x−5 = 0
1/4 ± /12
1/4 ± /12
e) -1x2 −5x+2 = 0
-5/2 ± /2
-5/2 ± /2
f) 9x2 −3x−3 = 0
1/6 ± /6
1/6 ± /6
g) 4x2 −7x−3 = 0
7/8 ± /8
7/8 ± /8
h) 8x2 −6x−6 = 0
3/8 ± /8
3/8 ± /8
i) 1x2 −6x−4 = 0
3 ±
3 ±
j) -6x2 −7x+6 = 0
-7/12 ± /12
-7/12 ± /12
