9th Polynomials

Class-IX

Chapter-Polynomials

1.         Which of the following expressions are not in polynomials?

            a) 3z³-√5z+9
            b)3√z+4z+5z²
            c)√ax+x²-x³
          d)2x^-2+3x^-1+4+5x
            e)x²+x^-2

 

2.         Write each of the following of the following polynomials in the standard form.Also write the degree of each:

            a) y²+6y+9+4y⁴
            b) 4q²-13q⁵+12q
         c)(x²+4)(x²+9).

3.         Which of the following polynomials are monomial, binomial or trinomial?

            a)√5

           b) u³-u²
              c) y⁴+y+5
            d)6x⁵

4.         Which of the  following expressions are polynomials in one variable and which are not? State reasons for your answer.

            a) 4x²-3x+7
          b)y²+√2
            c)3√t+√2t
            d) x¹⁰+y³+t⁵⁰

5.         Write the cofficents of x² in each of the following:

            a) 2+x²+x
            b) 2-x²+x³
            c)√2x-1     

 6.         Give one example each of the binomial of degree 35 and of a monomial of degree 100.

7.         Write the degree of each of the following polynomials:

            a) p(x)=5x³+4x²+7x
            b)p(y)=4-y²
            c) f(t)=5t-√7
            d)f(x)=3

8.         Classify the  following as linear,quadratic and cubic polynomials:

            a) x²+x
            b) x-x³
            c)y+y²+4
            d)1+x
            e)3t
            f) r²
            g) 7x³

 Compiled by:-

Sanjeev Kumar Taneja

District Resource Person Mathematics

Ludhiana