Math 154B Name_____________________
Solving Using the Quadratic Formula Worksheet
The Quadratic Formula: For quadratic equations:
0
2
cbxax
,
a
acbb
x
2
4
2
Solve each equation using the Quadratic Formula.
1.
020114
2
xx
2.
0245
2
xx
3.
33
2
xx
4.
xx 55
2
5.
1
2
xx
6.
7.
01574
2
xx
8.
0103
2
xx
9.
3
2
xx
10.
xx 14232
2
11.
482
2
xx
12.
xx 18392
2
13.
0135
2
xx
14.
125505
2
xx
Answers:
1.
4,
4
5
xx
2.
3,8 xx
3.
2
213
x
4.
2
55
x
5.
2
51
x
6.
2
52
x
7.
3,
4
5
xx
8.
5,2 xx
9.
2
131
x
10.
2
37
x
11.
6,8 xx
12.
2
39
x
13. x = not a real number
14.
5x