9th Mathematics MCQ Quiz

Chapter 2 Polynomials

Polynomials for 9th Class Quiz topics covered : Meaning of a Polynomial, Degree of a polynomial, Coefficients, Monomials, Binomials etc., Constant, Linear, Quadratic Polynomials etc., Value of a polynomial for a given value of the variable, Zeroes of a polynomial, Remainder theorem, Factor theorem, Factorisation of a quadratic polynomial by splitting the middle term, Factorisation of algebraic expressions by using the Factor theorem and Algebraic identities

  • total Questions =10
  • To know total score a button is given at the end of this quiz
  • Each correct question carry one marks.

Class 9 Maths Chapter 2


Q. 1. Degree of the zero polynomial is


Q. 2. Degree of the polynomial $4 x^{4}+0 x^{3}+0 x^{5}+5 x+7$ is


Q. 3. Which one of the following is a polynomial?


Q. 4. Which of the following is a factor of $(x+y)^{3}-\left(x^{3}+y^{3}\right)$ ?


Q. 5. If $a+b+c=0$, then $a^{3}+b^{3}+c^{3}$ is equal to


Q. 6. $x+1$ is a factor of the polynomial


Q. 7. The factorisation of $4 x^{2}+8 x+3$ is


Q. 8. If $p(x)=x+3$, then $p(x)+p(-x)$ is equal to


Q. 9. If $49 x^{2}-b=\left(7 x+\frac{1}{2}\right)\left(7 x-\frac{1}{2}\right)$, then the value of $b$ is


Q. 10. Zero of the zero polynomial is

Main Concepts and Formule Chapter 2 Class 9 Mathematics

Algebraic identities -
$(x+y)^{2}=x^{2}+2 x y+y^{2}$
$(x-y)^{2}=x^{2}-2 x y+y^{2}$
$(x+a)(x+b)=x^{2}+(a+b) x+a b$
$(x+y+z)^{2}=x^{2}+y^{2}+z^{2}+2 x y+2 y z+2 z x$
$(x+y)^{3}=x^{3}+3 x^{2} y+3 x y^{2}+y^{3}=x^{3}+y^{3}+3 x y(x+y)$
$(x-y)^{3}=x^{3}-3 x^{2} y+3 x y^{2}-y^{3}=x^{3}-y^{3}-3 x y(x-y)$
$x^{3}+y^{3}=(x+y)\left(x^{2}-x y+y^{2}\right)$
$x^{3}-y^{3}=(x-y)\left(x^{2}+x y+y^{2}\right)$
$x^{3}+y^{3}+z^{3}-3 x y z=(x+y+z)\left(x^{2}+y^{2}+z^{2}-x y-y z-z x\right)$