Q2 of 11 Page 134

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

(1) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 3 and 1.


So the highest power is 3 and hence the degree of the polynomial is 3.


(2) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 2, 1 and 0.


So the highest power is 2 and hence the degree of the polynomial is 2.


(3) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 4, 1 and 0.


So the highest power is 4 and hence the degree of the polynomial is 4.


(4) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 1.


So the highest power is 1 and hence the degree of the polynomial is 1.


(5) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 0.


So the highest power is 0 and hence the degree of the polynomial is 0.


(6) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 5, 3, 2, and 0.


So the highest power is 5 and hence the degree of the polynomial is 5.


(7) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 5 and 0.


So the highest power is 5 and hence the degree of the polynomial is 5.


(8) The degree of a polynomial is the highest degree of its individual terms with non-zero coefficients.


This algebraic expression has two powers 4 and 1.


So the highest power is 4 and hence the degree of the polynomial is 4.


(9) The degree of the zero polynomial is left to be undefined.


Hence its degree cannot be defined.


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