Question 5. Classify the following as linear, quadratic and cubic polynomials: ( Chapter 2: Polynomial Maths Class 9 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. Question 5. 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 is solved by our expert teachers. You can get ncert solutions and notes for class 9 chapter 2 absolutely free. NCERT Solutions for class 9 Maths Chapter 2: Polynomial is very essencial for getting good marks in CBSE Board examinations
Question 5. 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
Solution: (i) x2 + x
Highest power of x is 2 so it is a quadratic polynomials
(ii) x – x3
Highest power of x is 3 so it is cubic polynomial
(iii) y + y2 + 4
Highest power of y is 2 so it is quadratic polynomial
(iv) 1 + x
Highest power of x is 1 so it is linear polynomial
(v) 3t
Highest power of t is 1 so it is linear polynomial
(vi) r2
Highest power of t is 2 so it is quadratic polynomial
(vii) 7x3
Highest power of x is 3 so it is cubic polynomial
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