1. Find the discriminant. x² + 9x + 1 = 0
85
-77
77
-85

2. Find the discriminant. 3x² + 10x + 3 = 0
64
-136
136
-64

3. Find the discriminant. 2x² + 10x + 5 = 0
140
-60
-140
60

4. Find the discriminant. 4x² + 6x + 2 = 0
4
68
-4
-68

5. Find the discriminant. 4x² + 6x + 4 = 0
28
-100
100
-28

6. Find the discriminant. 4x² + 7x + 3 = 0
97
1
-1
-97

7. Find the discriminant. x² + 8x + 1 = 0
60
68
-60
-68

8. Find the discriminant. 4x² + 7x + 5 = 0
-31
129
31
-129

9. Find the discriminant. 5x² + 8x + 4 = 0
144
-16
16
-144

10. Find the discriminant. 5x² + 7x + 4 = 0
129
31
-129
-31

Score =
Correct answers: