Math 154B
Name_____________________
Solving Using the Quadratic Formula Worksheet
The Quadratic Formula: For quadratic equations:
0
2
c
bx
ax
,
a
ac
b
b
x
2
4
2
Solve each equation using the Quadratic Formula.
1.
0
20
11
4
2
x
x
2.
0
24
5
2
x
x
3.
3
3
2
x
x
4.
x
x
5
5
2
5.
1
2
x
x
6.
x
x
8
1
4
2
7.
0
15
7
4
2
x
x
8.
0
10
3
2
x
x
9.
3
2
x
x
10.
x
x
14
23
2
2
11.
48
2
2
x
x
12.
x
x
18
39
2
2
13.
0
1
3
5
2
x
x
14.
125
50
5
2
x
x
Answers:
1.
4
,
4
5
x
x
2.
3
,
8
x
x
3.
2
21
3
x
4.
2
5
5
x
5.
2
5
1
x
6.
2
5
2
x
7.
3
,
4
5
x
x
8.
5
,
2
x
x
9.
2
13
1
x
10.
2
3
7
x
11.
6
,
8
x
x
12.
2
3
9
x
13.
x
= not a real number
14.
5
x