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VBQ for Class 9 Mathematics Chapter 02 Polynomials
Class 9 Mathematics students should refer to the following value based questions with answers for Chapter 02 Polynomials in Class 9. These VBQ questions with answers for Class 9 Mathematics will come in exams and help you to score good marks
Chapter 02 Polynomials VBQ Questions Class 9 Mathematics with Answers
Question. Given that x = 2 is a solution of x3 – 7x + 6 = 0. The other solutions are ______.
(A) –1, 3
(B) 1, – 3
(C) 1, –2
(D) –1, –2
Answer : B
Question. Find the remainder when the expression 3x3 + 8x2 – 6x + 1 is divided by x + 3.
(A) 1
(B) 10
(C) 6
(D) 0
Answer : B
Question. When p(x) = x3 + ax2 + 2x + a is divided by (x + a), the remainder is _____.
(A) 0
(B) a
(C) –a
(D) 2a
Answer : C
Question. The product (a + b) (a – b) (a2 – ab + b2) (a2 + ab + b2) is equal to _____.
(A) a6 + b6
(B) a6 – b6
(C) a3 – b3
(D) a3 + b3
Answer : B
Question. The value of (x – a)3 + (x – b)3 + (x – c)3 –3(x – a)(x – b)(x – c), when a + b + c = 3x is ______.
(A) 3
(B) 2
(C) 1
(D) 0
Answer : D
Question. Value of R, if a2−19a−25/a−7 = a − 12 + R/a−7 is ____.
(A) –109
(B) –88
(C) –84
(D) –64
Answer : A
Question. If (x + 2) and (x – 1) are factors of (x3 + 10x2 + mx + n), then the value of m, n respectively are _______.
(A) –5, 5
(B) 7, 18
(C) 7, –18
(D) –5, –18
Answer : C
Question. Length, breadth and height of a cuboidal tank are (x – 3y)m, (x + 3y)m and (x2 + 9y2)m respectively. Find the volume of the tank.
(A) (x3 + 3xy + 27y3)m3
(B) (x4 + 2x2y2 + 81y4)m3
(C) (x4 – 81y4)m3
(D) (x4 + 81y4)m3
Answer : C
Question. A rectangular field has an area (35x2 + 13x – 12)m2. What could be the possible expression for length and breadth of the field?
(A) (5x + 4)m and (7x – 3)m
(B) (3x + 9)m and (7x – 12)m
(C) Both (A) and (B)
(D) None of these
Answer : A
Question. Vikas has ₹(x3 + 2ax + b), with this money he can buy exactly (x – 1) jeans or (x + 1) shirts with no money left. How much money Vikas has, if x = 4?
(A) ₹ 80
(B) ₹ 120
(C) ₹ 30
(D) ₹ 60
Answer : D
Question. x12 – y12 =
(A) (x – y)(x2 + xy + y2)(x + y)(x2 – xy + y2) (x2 + y2)(x4 – x2y2 + y4)
(B) (x + y)(x2 – xy + y2)(x + y)(x2 – xy + y2) (x2 + y2)(x4 – x2y2 + y4)
(C) (x + y)(x2 + xy – y2)(x + y)(x2 – xy + y2) (x2 + y2)(x4 – x2y2 + y4)
(D) (x – y)(x2 – xy + y2)(x + y)(x2 – xy + y2) (x2 + y2)(x4 – x2y2 + y4)
Answer : A
Question. If x a-b/a+b, y = b-c/b+c, z = c-a/c+a, then the value of (1+x)(1+y)(1+z)/(1-x)(1-y)(1-z) is ______.
(A) abc
(B) a2b2c2
(C) 1
(D) –1
Answer : C
Question. If x2 – 1 is a factor of ax4 + bx3 + cx2 + dx + e, then
(A) a + b + e = c + d
(B) a + b + c = d + e
(C) b + c + d = a + e
(D) None of these
Answer : D
Question. If a, b, c are all non-zeroes and a + b + c = 0, then a2/bc + b2/ca + c2/ab = ______.
(A) 0
(B) 1
(C) 2
(D) 3
Answer : D
Question. If (x + k) is a common factor of f(x) = (x2 + px + q) and g(x) = (x2 + lx + m), then the value of k is ______.
(A) l + p
(B) m – q
(C) l−p/m−q
(D) m−q/l−p
Answer : D
Question. Which of the following statements is INCORRECT?
(A) Every non-zero constant polynomial has zero roots.
(B) Zero polynomial has zero root.
(C) Every linear polynomial has exactly one root.
(D) If x – a is the root of p(x) = 0, then p(a) = 0.
Answer : B
Question. Santosh has ₹ (x3 – 3x2 + 4x + 50). He want to buy chocolates each of cost ₹ (x – 3). After buying maximum number of chocolates with his money, how much money is left with him?
(A) ₹ 50
(B) ₹ 40
(C) ₹ 62
(D) ₹ 20
Answer : C
Question. When (x3 – 2x2 + px – q) is divided by (x2 – 2x – 3), the remainder is (x – 6). The values of p and q respectively are ______.
(A) –2, – 6
(B) 2, – 6
(C) –2, 6
(D) 2, 6
Answer : C
Question. Match the following.
Column-II | Column-II |
(P) If f(x) = x3 – 6x2 + 11x – 6, then f(–1) = ______. | (i) –210 |
(Q) If f(x) = 2x3 – 13x2 + 17x + 12, then f(–3) = ______. | (ii) 1 |
(R) If x = 4/3 is a root of f(x) = 6x3 – 11x2 + kx – 20, then k = ____. | (iii) –24 |
(S) If x = –1 is a root of f(x) = x100 + 2x99 + k, then k = _____ | (iv) 19 |
(A) (P) → (iii); (Q) → (iv); (R) → (i); (S) → (ii)
(B) (P) → (ii); (Q) → (iv); (R) → (i); (S) → (iii)
(C) (P) → (iii); (Q) → (i); (R) → (iv); (S) → (ii)
(D) (P) → (iii); (Q) → (ii); (R) → (i); (S) → (iv)
Answer : C
Question. Study the given statements.
Statement-I : (a2−b2)3 + (b2−c2)3 + (c2−a2)3 / (a+b) + (b+c) + (c+a) = (a + b) (b + c) (c + a)
Statement-II : a2 + b2 + c2 – ab – bc – ca = 1/2[(a-b)2 + (b-c)2 + (c-a)2]
Which of the following options holds?
(A) Both Statement-I and Statement-II are true.
(B) Statement-I is true but Statement-II is false.
(C) Statement-I is false but Statement-II is true.
(D) Both Statement-I and Statement-II are false.
Answer : C
Question. The value of k for which (x + 2) is a factor of (x + 1)7 + (3x + k)3 is ______.
(A) –7
(B) 7
(C) –1
(D) – 6 – 3(7/3)
Answer : B
Question. The remainder when x4 – y4 is divided by x – y is ______.
(A) 0
(B) x + y
(C) x2 – y2
(D) 2y4
Answer : A
Question. Area of a rectangular field is (2x3 – 11x2 – 4x + 5) sq. units and side of a square field is (2x2 + 4) units.
Find the difference between their areas (in sq. units).
(A) 4x4 – 2x3 – 27x2 – 4x + 11
(B) 4x4 – 2x3 + 27x2 + 4x + 11
(C) 4x4 + 27x2 + 4x – 11
(D) 4x4 + 2x3 + 27x2 + 4x + 11
Answer : B
Question. If (5x2 + 14x + 2)2 – (4x2 – 5x + 7)2 is divided by (x2 + x + 1), then quotient ‘q’ and remainder ‘r ’ respectively, are ______.
(A) (x2 + 19x – 5), 0
(B) 9(x2 + 19x – 5), 0
(C) (x2 + 19x – 5), 1
(D) 9(x2 + 19x – 5), 1
Answer : B
Question. Select the CORRECT statement.
(A) If x = √3+1/√3−1 + √3−1/√3+1 + √3−2/√3+2, then the value of x2 +(39/x)2 is 110.
(B) Every integer is a whole number.
(C) Between two rational numbers, there exist infinite number of integers.
(D) None of these
Answer : D
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VBQs for Chapter 02 Polynomials Class 9 Mathematics
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