Q4 of 11 Page 132

Write any five expressions which are not polynomials.

If the powers of the variable are not whole numbers then the expression is not a polynomial.

The expressions are as follows:


(i) √x


(ii) 1/x


(iii) 1/x2


(iv) x3.5


(v) x-2


More from this chapter

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2

Are the following expressions polynomials?

(1) 21 – 8a + a2


(2) n3 – 6n2 + 13


(3)


(4)


(5)


(6)


(7) 51


(8) 9 – 5b2 + b4


(9)

3

Write any five expressions which are polynomials.

 1

Write the coefficient and the degree of each of the following monomials.

(1) 23x3 (2) 18


(3) –6m5 (4)


(5) a2 (6) –10n2


(7) (8) 4y


(9) x (10)


(11) –15s3 (12) 18z6


(13) 4t8 (14) –17p


(15)

2

Write the degree of the following polynomials.

(1) 64p3 – 10p


(2) 8n2 – 25n + 9


(3) x – 11 + 3x4


(4) 39m


(5) 81


(6) 2n5 – n3 + 6 – 7n2


(7) 9a5 – 61


(8)


(9) 0