Practice
Solve for x.a) -7x2 +9x+6 = 0
9/14 ± /14
9/14 ± /14
b) -1x2 −2x+4 = 0
-1 ±
-1 ±
c) -2x2 +7x+8 = 0
7/4 ± /4
7/4 ± /4
d) -2x2 −7x−4 = 0
-7/4 ± /4
-7/4 ± /4
e) -1x2 −9x+2 = 0
-9/2 ± /2
-9/2 ± /2
f) 8x2 −x−5 = 0
1/16 ± /16
1/16 ± /16
g) -8x2 +8x+3 = 0
1/2 ± /4
1/2 ± /4
h) -4x2 −x+9 = 0
-1/8 ± /8
-1/8 ± /8
i) 6x2 +2x−7 = 0
-1/6 ± /6
-1/6 ± /6
j) -7x2 −9x+3 = 0
-9/14 ± /14
-9/14 ± /14
