1. Solve the equation. x² + 15x + (-5) = 0
x = 15.33 and x = -0.33
x = 0.33 and x = -15.33
x = -0.34 and x = -14.66
x = 0.65 and x = -30.65

2. Solve the equation. 3x² + 14x + 0 = 0
x = 4.67 and x = 0
x = 0 and x = -4.67
x = 0 and x = -4.67
x = 0 and x = -9.33

3. Solve the equation. -5x² + 9x + (-1) = 0
x = -1.68 and x = -0.12
x = 0.12 and x = 1.68
x = -0.1 and x = 1.9
x = 0.24 and x = 3.36

4. Solve the equation. -4x² + x + 0 = 0
x = -0.25 and x = 0
x = 0 and x = 0.25
x = 0 and x = 0.5
x = 0 and x = 0.25

5. Solve the equation. 0*x² + 7x + 0 = 0
x = 7
x = 0
x = -7
No real solutions

6. Solve the equation. -4x² + 8x + (-3) = 0
x = -1.5 and x = -0.5
x = -0.32 and x = 2.32
x = 1 and x = 3
x = 0.5 and x = 1.5

7. Solve the equation. -4x² + (-14x) + (-3) = 0
x = 0.23 and x = 3.27
x = -3.7 and x = 0.2
x = -6.54 and x = -0.46
x = -3.27 and x = -0.23

8. Solve the equation. 4x² + 20x + 2 = 0
x = -0.2 and x = -9.8
x = -0.1 and x = -4.9
x = 4.9 and x = 0.1
x = 0.1 and x = -5.1

9. Solve the equation. -x² + 20x + (-2) = 0
x = 0.1 and x = 19.9
x = -19.9 and x = -0.1
x = -0.1 and x = 20.1
x = 0.2 and x = 39.8

10. Solve the equation. 0*x² + (-18x) + 1 = 0
x = 0
x = 17.94 and x = 0.06
x = -17.94 and x = 0.06
x = -0.06

Score =
Correct answers: