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Classify the Following as Linear, Quadratic and Cubic Polynomials - Mathematics

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Classify the following as linear, quadratic and cubic polynomials:-

(i) x2 + x

(ii) x – x3

(iii) y + y2 + 4

(iv) 1 + x

(v) 3t

(vi) r2

(vii) 7x3

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Solution

Linear polynomial, quadratic polynomial, and cubic polynomial has its degrees as 1, 2, and 3 respectively.

(i) x2 + x is a quadratic polynomial as its degree is 2.

(ii) x – x3 is a cubic polynomial as its degree is 3.

(iii) y + y2 + 4 is a quadratic polynomial as its degree is 2.

(iv) 1 + x is a linear polynomial as its degree is 1.

(v) 3t is a linear polynomial as its degree is 1.

(vi) r2 is a quadratic polynomial as its degree is 2.

(vii) 7x3 is a cubic polynomial as its degree is 3.

Concept: Polynomials in One Variable
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APPEARS IN

NCERT Class 9 Maths
Chapter 2 Polynomials
Exercise 2.1 | Q 5 | Page 32

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