Solving quadratics Gold

Solving quadratics Gold

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Question 1 of 25

1. Question
Using the quadratic formula solve x² + 10x + 1 = 0
- x = -0.10, x = -9.90
- x = 0.10, x = 9.90
- x = 10.10, x = -0.10
- x = -10.10, x = 0.10
Correct

Incorrect
Question 2 of 25

2. Question
Using the quadratic formula solve x² + 10x + 7 = 0
- x = -0.31, x = -9.69
- x = -10.29, x = 0.29
- x = 10.29, x = -0.29
- x = 9.69, x = 0.31
Correct

Incorrect
Question 3 of 25

3. Question
Using the quadratic formula solve x² + 7x + 7= 0
- x = -0.46, x = -6.54
- x = -7.4, x = 0.41
- x = 5.3, x = 1.7
- x = 0.46, x = 6.54
Correct

Incorrect
Question 4 of 25

4. Question
Using the quadratic formula solve x² – 7x – 12= 0
- x = 1.42, x = -8.42
- x = -3, x = -4
- x = 3, x = 4
- x = 0, x = 0
Correct

Incorrect
Question 5 of 25

5. Question
Using the quadratic formula solve x² + 4x – 12 = 0
- x = 2, x = -6
- x = 0.83, x = -4.83
- x = -2, x = 6
- x = -0.83, x = 4.83
Correct

Incorrect
Question 6 of 25

6. Question
Using the quadratic formula solve x² + 5x – 9 = 0
- x = 1.41, x = -6.41
- x = -1.41, x = 6.41
- x = -0.84, x = -4.16
- x = 0.84, x = 4.16
Correct

Incorrect
Question 7 of 25

7. Question
Using the quadratic formula solve x² – 6x + 7 = 0
- x = 4.41, x = 1.59
- x = -4.41, x = -1.59
- x = 7, x = -1
- x = -7, x = 1
Correct

Incorrect
Question 8 of 25

8. Question
Using the quadratic formula solve x² + 12x + 18 = 0
- x = -1.76, x = -10.24
- x = 1.76, x = 10.24
- x = 1.35, x = -13.35
- x = -1.35, x = 13.35
Correct

Incorrect
Question 9 of 25

9. Question
Using the quadratic formula solve x² – 9x = -2
- x = 8.77, x = 0.23
- x = -8.77, x = -0.23
- x = 9.22, x = -0.22
- x = -9.22, x = 0.22
Correct

Incorrect
Question 10 of 25

10. Question
Using the quadratic formula solve x² + 6x = -6
- x = -1.27, x = -4.73
- x = 4.73, x = 1.27
- x = 0.87, x = -6.87
- x = -0.87, x = 6.87
Correct

Incorrect
Question 11 of 25

11. Question
Using the quadratic formula solve x² + 8x = -3
- x = -0.39, x = -7.61
- x = 7.61, x = 0.39
- x = 0.36, x = -8.36
- x = -0.36, x = 8.36
Correct

Incorrect
Question 12 of 25

12. Question
Using the quadratic formula solve x² = -9x – 1
- x = -0.11, x = -8.89
- x = -9.11, x = 0.11
- x = 9.11, x = -0.11
- x = 8.89, x = 0.11
Correct

Incorrect
Question 13 of 25

13. Question
Using the quadratic formula solve 6x² – 6x – 7 = 0
- x = 1.69, x = -0.69
- x = 0.69, x = -1.69
- x = 1.46, x = -0.46
- x = -1.46, x = 0.46
Correct

Incorrect
Question 14 of 25

14. Question
Using the quadratic formula solve 2x² + 8x – 11 = 0
- x = 1.08, x = -5.08
- x = -0.78, x = -3.22
- x = 0.78, x = 3.22
- x = 5.08, x = -1.08
Correct

Incorrect
Question 15 of 25

15. Question
Using the quadratic formula solve 3x² – 9x + 4 = 0
- x = 2.46, x = 0.54
- x = -0.39, x = 3.39
- x = 0.39, x = -3.39
- x = -0.54, x = -2.46
Correct

Incorrect
Question 16 of 25

16. Question
Using the quadratic formula solve 3x² + 3x – 10 = 0
- x = 1.39, x = -2.39
- x = 2.39, x = -1.39
- x = 1.26, x = -2.26
- x = -1.26, x = 2.26
Correct

Incorrect
Question 17 of 25

17. Question
Using the quadratic formula solve 3x² + 12x + 4 = 0
- x = -0.37, x = -3.63
- x = 3.63, x = 0.37
- x = 0.31, x = -4.31
- x = -0.31, x = 4.31
Correct

Incorrect
Question 18 of 25

18. Question
Using the quadratic formula solve 2x² + 9x – 10 = 0
- x = 0.92, x = -5.42
- x = -2, x = -2.5
- x = 2, x = 2.5
- x = 5.42, x = -0.92
Correct

Incorrect
Question 19 of 25

19. Question
Using the quadratic formula solve 5x² – 11x – 11 = 0
- x = 2.95, x = -0.75
- x = -2.95, x = 0.75
- x = 2.09, x = 0.11
- x = -2.09, x = -0.11
Correct

Incorrect
Question 20 of 25

20. Question
Using the quadratic formula solve 2x² + 6x – 3 = 0
- x = 0.44, x = -3.44
- x = -2.37, x = -0.63
- x = 2.37, x = 0.63
- x = 3.44, x = -0.44
Correct

Incorrect
Question 21 of 25

21. Question
Using the quadratic formula solve 4x² – 2x – 9 = 0
- x = 1.77, x = -1.27
- x = 1.27, x = -1.77
- x = 1.73, x = -1.23
- x = -1.73, x = 1.23
Correct

Incorrect
Question 22 of 25

22. Question
Using the quadratic formula solve 5x² – 5x = 1
- x = 1.17, x = -0.17
- x = -0.28, x = -0.72
- x = 0.17, x = -1.17
- x = 0.28, x = 0.72
Correct

Incorrect
Question 23 of 25

23. Question
Using the quadratic formula solve 6x² – 7 = 0
- x = -1.08, x = 1.08
- x = 1.08
- x = -1.08
- x = 0.93, x = -0.93
Correct

Incorrect
Question 24 of 25

24. Question
Using the quadratic formula solve 3x² + 7x = 6
- x = 0.67, x = -3
- x = -1.97, x = -0.37
- x = 3, x = -0.67
- x = 1.97, x = 0.37
Correct

Incorrect
Question 25 of 25

25. Question
Using the quadratic formula solve 5x² = -4x + 8
- x = 0.93, x = -1.73
- x = 0.8, x = -1.6
- x = 1.73, x = -0.93
- x = -0.8, x = 1.6
Correct

Incorrect

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