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Polynomials

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Polynomials in One Variable

Subtopic

Polynomials in One Variable under Polynomials for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If p(x)=7x−2p(x) = 7x - 2, then p(0)p(0) is:

    A.

    7

    B.

    0

    C.

    2

    D.

    -2

  2. 2.

    What is the degree of the polynomial y100−1y^{100} - 1?

    A.

    1

    B.

    0

    C.

    100

    D.

    99

  3. 3.

    Find the value of p(x)=x4p(x) = x^4 at x=−1x = -1.

    A.

    -1

    B.

    0

    C.

    1

    D.

    4

Download the worksheet for Polynomials - Polynomials in One Variable to practice offline. It includes additional chapter-level practice questions.

Zeroes of a Polynomial

Subtopic

Zeroes of a Polynomial under Polynomials for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the zero of the polynomial p(x)=2x−7p(x) = 2x - 7?

    A.

    2/72/7

    B.

    7/27/2

    C.

    −7/2-7/2

    D.

    7

  2. 2.

    If p(x)=12xp(x) = 12x, what is p(0)p(0)?

    A.

    12

    B.

    1

    C.

    0

    D.

    Not defined

  3. 3.

    Find the zero of p(x)=14x+2p(x) = \frac{1}{4}x + 2.

    A.

    -8

    B.

    8

    C.

    -2

    D.

    1/2

Download the worksheet for Polynomials - Zeroes of a Polynomial to practice offline. It includes additional chapter-level practice questions.

Factorisation of Polynomials

Subtopic

Factorisation of Polynomials under Polynomials for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Factorise x2+5x−14x^2 + 5x - 14.

    A.

    (x+7)(x−2)(x+7)(x-2)

    B.

    (x−7)(x+2)(x-7)(x+2)

    C.

    (x+14)(x−1)(x+14)(x-1)

    D.

    (x+2)(x+7)(x+2)(x+7)

  2. 2.

    Find the factors of 10x2−1010x^2 - 10.

    A.

    10(x−1)(x+1)10(x-1)(x+1)

    B.

    10(x−1)210(x-1)^2

    C.

    10(x2−10)10(x^2-10)

    D.

    (10x−10)(x+1)(10x-10)(x+1)

  3. 3.

    Factorise x2−20x+100x^2 - 20x + 100.

    A.

    (x−10)2(x-10)^2

    B.

    (x−10)(x+10)(x-10)(x+10)

    C.

    (x−50)(x−2)(x-50)(x-2)

    D.

    (x−20)(x−5)(x-20)(x-5)

Download the worksheet for Polynomials - Factorisation of Polynomials to practice offline. It includes additional chapter-level practice questions.

Algebraic Identities

Subtopic

Algebraic Identities under Polynomials for Grade 9 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Factorize the expression a2+b2+2ab−c2a^2 + b^2 + 2ab - c^2.

    A.

    (a+b+c)(a+b−c)(a + b + c)(a + b - c)

    B.

    (a−b+c)(a−b−c)(a - b + c)(a - b - c)

    C.

    (a+b+c)2(a + b + c)^2

    D.

    (a+b−c)2(a + b - c)^2

  2. 2.

    The expansion of (x2+y2)2(x^2 + y^2)^2 is:

    A.

    x4+y4x^4 + y^4

    B.

    x4+x2y2+y4x^4 + x^2y^2 + y^4

    C.

    x4+2x2y2+y4x^4 + 2x^2y^2 + y^4

    D.

    x2+2x2y2+y2x^2 + 2x^2y^2 + y^2

  3. 3.

    If x−1x=5x - \frac{1}{x} = 5, find the value of x2+1x2x^2 + \frac{1}{x^2}.

    A.

    2323

    B.

    2525

    C.

    2727

    D.

    2020

Download the worksheet for Polynomials - Algebraic Identities to practice offline. It includes additional chapter-level practice questions.

Polynomials - CBSE Class 9 Maths Notes & Revision | Krit.club