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Math Olympiad Test: Polynomials - 1 - Free MCQ with solutions Class 10


MCQ Practice Test & Solutions: Math Olympiad Test: Polynomials - 1 (10 Questions)

You can prepare effectively for Class 10 Olympiad Preparation for Class 10 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Math Olympiad Test: Polynomials - 1". These 10 questions have been designed by the experts with the latest curriculum of Class 10 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 10

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Math Olympiad Test: Polynomials - 1 - Question 1

If a  and b are the zeros of ax2 + bx + c, find  the value of 

Detailed Solution: Question 1

Given a and b are the zeros of ax2 + bx+ c
∴ 




Math Olympiad Test: Polynomials - 1 - Question 2

If the sum of squares of zeros of the quadratic polynomial P(x) = x2 - 8x + k is 40. What is the value of k?

Detailed Solution: Question 2

P(x) = x2 - 8x + k
If α, and β are its zeros
then α + β = 8, αβ = k
and α2 + β2 = 40
⇒ (α + β)2 - 2αβ = 82 - 2k
⇒ 40 = 64 - 2k
⇒ 2k = 24
⇒ k = 12

Math Olympiad Test: Polynomials - 1 - Question 3

What must be subtracted from 8x4 + 14x3 - 2x2 + 7x - 8 so that the resulting polynomial is exactly divisible by 4x2 + 3x - 2?

Detailed Solution: Question 3

Here, (4x2 + 3x - 2) 8x4 + 14x3 - 2x2 + 7x - 8 (2x2 + 2x - 1)



∴ 14x - 10 must be subtracted.

Math Olympiad Test: Polynomials - 1 - Question 4

What is the cubic polynomial in which the sum, sum of the products of its zeros taken at a time and product of its zeros as 2, -7, -14 respectively?

Detailed Solution: Question 4

Given a + b+ γ = 2 = ⇒ b = -2a
αβ + βγ + γα = -7 = ⇒ c = -7a
αβγ = -14 = ⇒ d = 14a

b : c : d = -2 : -7 : 14
Cubic polynomial is
k(x3 - 2x2 - 7x + 14)

Math Olympiad Test: Polynomials - 1 - Question 5

If the product of two zeros of the polynomial 2 x3 + 6x− 4x + 9 is 3 then what is its third zero?

Detailed Solution: Question 5

If α and β are two zeros then αβ = 3 Let third root be γ.


Math Olympiad Test: Polynomials - 1 - Question 6

If α, β, γ are the zeros of the polynomial 2 x3 + x− 13x + 6. What is the value of αβγ?

Detailed Solution: Question 6

The given polynomial is
2 x3 + x− 13x + 6
α,β,γ be its zeros
∴ 

Math Olympiad Test: Polynomials - 1 - Question 7

What must be added to f(x) = 4x4 + 2x− 2x2 + x − 1 so that the resulting polynomial is divisible by g (x) = x2 + 2x − 3?

Detailed Solution: Question 7

Here
(x2 + 2 x — 3)4 x4 + 2 x3 — 2 x2 + x — l(4 x2 — 6 x + 22


Clearly -61x + 65 must be added.

Math Olympiad Test: Polynomials - 1 - Question 8

What is the cubic polynomial whose zeros are α, β, γ such that α + β + γ = 4. αβγ = - 6 and αβ + βγ + γα = 1?

Detailed Solution: Question 8

Required polynomial
= P(x ) = x3 - (α + β + γ)x2 + (αβ + βγ + γα)x
- αβγ
Thus, the cubic polynomial is
p(x) = x3 − (4)x2 + (1)x − (−6)
= x3 − 4x2+ x + 6

Math Olympiad Test: Polynomials - 1 - Question 9

Which quadratic polynomial has sum of whose zeros is -5 and product of its zero is -12?

Detailed Solution: Question 9

Given data 
Sum of zeroes = −5
Product of zeroes = -12
Equation of quadratic polynomial
x2 − (sum of zeroes) x + product of zeroes = 0
x2 − (−5)x + (-12) = 0
x2 + 5x - 12 = 0

Math Olympiad Test: Polynomials - 1 - Question 10

What are the zeros of x2 - 2x - 3?

Detailed Solution: Question 10

We have x2 - 2x - 3
∴ 

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