quadratic equations MCQs – Page 2

Practise focused quadratic equations questions with marked answers for exam preparation and subject revision.

quadratic equations Mcqs
21. The sum of the squares of two consecutive positive integers exceeds their product by 91. Find the integers?
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A. 11, 12

B. 10, 11

C. 12, 13

D. 9, 10
22. Find the roots of quadratic equation: 2x<sup>2
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A. -2, 5/2

B. -2, -1/2

C. 4, 1

D. 4, -1

23. Find the roots of quadratic equation: x<sup>2
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A. -7, 6

B. -6, 7

C. 14, -3

D. -8, 7

24. A man could buy a certain number of notebooks for Rs.300. If each notebook cost is Rs.5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook?
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A. 7.5

B. 8

C. 10

D. 15

25. The sum of the square of the three consecutive even natural numbers is 1460. Find the numbers?
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A. 22, 24, 26

B. 24, 26, 28

C. 20, 22, 24

D. 18, 20, 22

26. (i). a<sup>2
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A. If a < b

B. If a ? b

C. If the relationship between a and b cannot be established

D. If a ? b

27. I. x<sup>2
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A. If x < y

B. If x ? y

C. If x ? y

D. If x > y

28. The sum and the product of the roots of the quadratic equation x(power 2) + 20x + 3 = 0 are?
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A. -10, -3

B. -20, 3

C. -10, 3

D. 10, 3