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Class 10
>>Maths
>>Polynomials
>>Revisiting Polynomials
>>Classify the following as linear, quadra
Question
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Classify the following as linear, quadratic and cubic polynomials:
(i) x
2
+x
(ii) x−x
3
(Iii) y+y
2
+4
(iv) 1+x
(v) 3t
(vi) r
2
(vii) 7x
3
Medium
Solution
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(i) The highest degree of x
2
+x is 2, so it is a quadratic polynomials.
(ii) The highest degree of x−x
3
is 3, so it is a cubic polynomials.
(iii)The highest degree of y+y
2
+4 is 2, so it is a quadratic polynomials.
(iv) The highest degree of x in (1+x) is 1, so it is a linear polynomials.
(v)The highest degree of t in 3t is 1, so it is a linear polynomials.
(vi)The highest degree of r
2
is 2, so it is a quadratic polynomials.
(vii)The highest degree of x in 7x
3
is 3, so it is a cubic polynomials.
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