Math Activity Quiz

3. Easy Round

4. Question 1

5. Which of the following
is a quadratic equation?
A
B
C
D
2𝑡2 + 4𝑡 − 1 = 0
3𝑡 − 7 = 12
𝑥3 + 5𝑥 − 14 = 0
2𝑥2 − 7𝑥 ≤ 3

6. Which of the following
is a quadratic equation?
A
B
C
D
2𝑡2 + 4𝑡 − 1 = 0
3𝑡 − 7 = 12
𝑥3 + 5𝑥 − 14 = 0
2𝑥2 − 7𝑥 ≤ 3

7. 2 points
Score

8. Question 2

9. Transform the equation below into the
standard form of quadratic equation
𝟑 + 𝟒𝒙 = −𝟐𝒙𝟐

10. Transform the equation below into the
standard form of quadratic equation
𝟑 + 𝟒𝒙 = −𝟐𝒙𝟐
𝟐𝒙𝟐
+ 𝟒𝒙 + 𝟑 = 𝟎

11. 2 points
Score

12. Question 3

13. A 𝑎 = 4, 𝑏 = 3, 𝑐 = 2
B
C
D
𝑎 = 4, 𝑏 = −3, 𝑐 = 2
𝑎 = −4, 𝑏 = 3, 𝑐 = 2
𝑎 = 4, 𝑏 = −3, 𝑐 = 2
Find the value of a, b and c in
the given, 4𝑥2 = 3𝑥 − 2

14. Find the value of a, b and c in
the given, 4𝑥2 = 3𝑥 − 2
A 𝑎 = 4, 𝑏 = 3, 𝑐 = 2
B
C
D
𝑎 = 4, 𝑏 = −3, 𝑐 = 2
𝑎 = −4, 𝑏 = 3, 𝑐 = 2
𝑎 = 4, 𝑏 = −3, 𝑐 = 2

15. 2 points
Score

16. Question 4

17. Which of the following is
in standard form?
A
B
C
D
𝑥2 = 3𝑥 − 2
𝑥2 − 3𝑥 + 2 = 0
𝑥2 − 3𝑥 = −2
𝑥2 + 2 = 3𝑥 − 2

18. Which of the following is
in standard form?
A
B
C
D
𝑥2 = 3𝑥 − 2
𝑥2 − 3𝑥 + 2 = 0
𝑥2 − 3𝑥 = −2
𝑥2 + 2 = 3𝑥 − 2

19. 2 points
Score

20. Question 5

21. Which of the following quadratic
equation can be solved easily by
extracting square roots?
A 3𝑥2 + 2𝑥 − 8 = 0
B
C
D
3𝑥2 − 9x = 0
2𝑥2 + 7𝑥 − 3 = 0
4𝑥2 − 9 = 0

22. Which of the following quadratic
equation can be solved easily by
extracting square roots?
A 3𝑥2 + 2𝑥 − 8 = 0
B
C
D
3𝑥2 − 9𝑥 = 0
2𝑥2 + 7𝑥 − 3 = 0
4𝑥2 − 9 = 0

23. 2 points
Score

24. Average Round

25. Question 6

26. What are the roots/
solutions of this given:
𝑥2 − 100 = 0

27. 10 𝑎𝑛𝑑 − 10
What are the roots/
solutions of this given:
𝑥2 − 100 = 0

28. 3 points
Score

29. Question 7

30. What are the roots/
solutions of this given:
𝑥2 + 9𝑥 + 14 = 0

31. 𝑥 = −7, 𝑥 = −2
What are the roots/
solutions of this given:
𝑥2 + 9𝑥 + 14 = 0

32. 3 points
Score

33. Question 8

34. What is the roots when
we solve 𝒙𝟐 − 𝟒𝒙 − 𝟏𝟐 = 𝟎
by completing the square?

35. What is the roots when
we solve 𝒙𝟐 − 𝟒𝒙 − 𝟏𝟐 = 𝟎
by completing the square?
𝑥 = 6, 𝑥 = −2

36. 3 points
Score

37. Question 9

38. What is the simplified
form of 3𝑥 = −1?

39. What is the simplified
form of 3𝑥 = −1?
𝒙 = −
𝟏
𝟑

40. 3 points
Score

41. Question 10

42. Which of the following statement is correct?
I. When k > 0, the quadratic equations has two
solutions.
II. When k < 0, the quadratic has no solution.
III. When k = 0, the quadratic equation has only
one solution.

43. Which of the following statement is correct?
I. When k > 0, the quadratic equations has two
solutions.
II. When k < 0, the quadratic has no solution.
III. When k = 0, the quadratic equation has only
one solution.
I. II, III

44. 3 points
Score

45. Difficult Round

46. Question 11

47. The number of days needed to repair a
house varies inversely as the number
of men working. It takes 15 days for 2
men to repair the house. How many
men are needed to complete the job in
6 days? Be specific to your answer.

48. Clincher Round