N
a
b
c
X1
X2
1
1
0
-16
4
-4
2
1
5
0
0
-5
3
1
-4
0
4
0
4
1
10
9
-1
-9
5
1
6
9
-3
-3
6
1
-7
0
7
0
7
1
-7
10
5
2
8
1
-8
7
7
1
9
1
-2
1
1
1
= 0
10
1
3
2
-1
-2
= 0
11
1
-8
12
6
2
= 0
12
1
0
-1
1
-1
= 0
13
1
4
0
0
-4
= 0
14
1
-4
-5
5
-1
15
1
8
12
-2
-6
16
1
-9
8
8
1
17
1
1
0
0
-1
18
1
-8
0
8
0
19
1
-6
8
4
2
20
1
-6
0
6
0
21
1
-2
-15
5
-3
22
1
7
10
-2
-5
23
1
-3
2
2
1
24
1
6
5
-1
-5
25
1
-6
9
3
3
26
1
6
8
-2
-4
27
1
3
-4
1
-4
28
1
8
7
-1
-7
29
1
1
-2
1
-2
30
1
4
4
-2
-2
31
1
2
-8
2
-4
32
1
-5
4
4
1
33
1
-2
0
2
0
34
1
-9
0
9
0
35
1
1
-20
4
-5
36
1
4
3
-1
-3
37
1
7
12
-3
-4
38
1
-4
4
2
2
39
1
-3
-4
4
-1
40
1
7
6
-1
-6
41
1
-7
6
6
1
42
1
-8
16
4
4
43
1
0
-9
3
-3
44
1
8
0
0
-8
45
1
7
0
0
-7
46
1
-8
15
5
3
47
1
-4
3
3
1
48
1
-3
0
3
0
49
1
2
1
-1
-1
50
1
2
-3
1
-3
51
1
-10
9
9
1
52
1
9
8
-1
-8
53
1
8
16
-4
-4
54
1
2
0
0
-2
55
1
6
0
0
-6
56
1
8
16
-4
-4
© Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Quadratic Formula
?
For quadratic equations:
ax² + bx + c = 0
Solve each equation
1)
X1 =
X2 =
2)
X1 =
X2 =
3)
X1 =
X2 =
4)
X1 =
X2 =
5)
X1 =
X2 =