NCERT SOLUTIONS CLASS 9 MATHEMATICS
Exercise 2.1
Q.1. Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.
(i) 4x^{2}  3x + 7
(ii) y^{2} + $\sqrt{2}$
(iii) 3$\sqrt{\mathrm{t}}$ + t$\sqrt{2}$
(iv) y + $\frac{2}{\mathrm{y}}$
(v) x^{10} + y^{3} + t^{50}
Q.2: Write the coefficients of x^{2} in each of the following:
Q.3. Give one example each of a binomial of degree 35, and of a monomial of degree 100.
Q.4: Write the degree of each of the following polynomials:
Q.5: Classify the following as linear, quadratic and cubic polynomial:






