Introduction to Polynomials

Introduction to polynomials

·       For  7th , 8th and 9^th Grades

·       Answers are provided at the end

(1) Which of the following is not a polynomial ?

[A] 2x³ + 4x + 1

[B] 3x²y

[C] 2x^-1y

[D] 5

(2) The degree of the monomial – 2x²y⁶ is ................

[A] – 2

[B] 2

[C] 6

[D] 8

(3) The leading coefficient of the polynomial , 

      20 k² – 4 k³  - k ⁵  + 2  is  ...................

[A] -1

[B] – 4

[C] 2

[D] 20

[4] Which of the following best describes the polynomial ,

     2x + x² + 7 ?

[A] linear binomial

[B] quadratic trinomial

[C] cubic monomial

[D] cubic binomial

[5] Which of the following statements is not true ?

[A]  A monomial is a polynomial

[B] A polynomial can have more than 3 terms

[C] Degree of the polynomial , 12  is zero.

[D] A Binomial is a trinomial

[6] Which of the following is a root of the polynomial ,

         2 m² – m – 3  ?

[A] -1

[B]  1

[C] 2

[D] 3

Answers

(1) C

(2) D

(3) A

(4) B

(5) D

(6) A

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