1. Find the discriminant. x² + 20x + 1 = 0
404
-396
-404
396

2. Find the discriminant. 2x² + 12x + 3 = 0
-168
168
-120
120

3. Find the discriminant. 4x² + 7x + 4 = 0
113
15
-15
-113

4. Find the discriminant. 4x² + 14x + 5 = 0
116
276
-116
-276

5. Find the discriminant. x² + 13x + 2 = 0
-161
-177
177
161

6. Find the discriminant. 5x² + 16x + 3 = 0
316
-196
-316
196

7. Find the discriminant. 5x² + 13x + 1 = 0
149
189
-149
-189

8. Find the discriminant. 3x² + 6x + 2 = 0
60
-12
12
-60

9. Find the discriminant. 5x² + 18x + 5 = 0
424
224
-224
-424

10. Find the discriminant. 3x² + 20x + 4 = 0
448
-352
352
-448

Score =
Correct answers: