Q2(ii):

Write the coefficients of $x^2$ in each of the following: (ii) $2 – x^2 + x^3$

More Questions from Class 9 Mathematics Polynomials EXERCISE 2.1

• Q1(i): Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) $4x^2 – 3x + 7$
• Q1(ii): Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (ii) $y^2 + \sqrt{2}$
• Q1(iii): Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (iii) $3\sqrt{t} + t\sqrt{2}$
• Q1(iv): Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (iv) $y + \frac{2}{y}$
• Q1(v): Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (v) $x^{10} + y^3 + t^{50}$
• Q2(i): Write the coefficients of $x^2$ in each of the following: (i) $2 + x^2 + x$
• Q2(iii): Write the coefficients of $x^2$ in each of the following: (iii) $\frac{\pi}{2}x^2 + x$
• Q2(iv): Write the coefficients of $x^2$ in each of the following: (iv) $\sqrt{2}x - 1$
• Q3: Give one example each of a binomial of degree 35, and of a monomial of degree 100.
• Q4(i): Write the degree of each of the following polynomials: (i) $5x^3 + 4x^2 + 7x$
• Q4(ii): Write the degree of each of the following polynomials: (ii) $4 – y^2$
• Q4(iii): Write the degree of each of the following polynomials: (iii) $5t – \sqrt{7}$
• Q4(iv): Write the degree of each of the following polynomials: (iv) $3$
• Q5(i): Classify the following as linear, quadratic and cubic polynomials: (i) $x^2 + x$
• Q5(ii): Classify the following as linear, quadratic and cubic polynomials: (ii) $x – x^3$
• Q5(iii): Classify the following as linear, quadratic and cubic polynomials: (iii) $y + y^2 + 4$
• Q5(iv): Classify the following as linear, quadratic and cubic polynomials: (iv) $1 + x$
• Q5(v): Classify the following as linear, quadratic and cubic polynomials: (v) $3t$
• Q5(vi): Classify the following as linear, quadratic and cubic polynomials: (vi) $r^2$
• Q5(vii): Classify the following as linear, quadratic and cubic polynomials: (vii) $7x^3$