English Medium Class 9 - CBSE Question Bank Solutions

Identify polynomials in the following:

`q(x)=2x^2-3x+4/x+2`

Identify polynomials in the following:

`h(x)=x^4-x^(3/2)+x-1`

Identify polynomials in the following:

`f(x)=2+3/x+4x`

 Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

`f(x)=0`

 Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

`g(x)=2x^3-7x+4`

Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

`h(x)=-3x+1/2`

Identify constant, linear, quadratic and cubic polynomials from the following polynomials

`p(x)=2x^2-x+4`

Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

`q(x)=4x+3`

Identify constant, linear, quadratic and cubic polynomials from the following polynomials:

`r(x)=3x^2+4x^2+5x-7`

Give one example each of a binomial of degree 35, and of a monomial of degree 100.

If `f(x) = 2x^2 - 13x^2 + 17x + 12` find f(2)

If f(x) = 2x² - 13x² + 17x + 12 find f(-3).

If `f(x)=2x^2-13x^2+17x+12` find `f(0)`

If `x = 2` is a root of the polynomial `f(x) = 2x<sup>2</sup> – 3x + 7a` find the value of a.

Draw the graph of the equation 2x + 3y = 12. From the graph, find the coordinates of the
point: (i) whose y-coordinates is 3. (ii) whose x-coordinate is −3.

Draw the graphs of the linear equations 4x − 3y + 4 = 0 and 4x + 3y − 20 = 0. Find the area
bounded by these lines and x-axis.

Give the geometric representation of the following equation
(a) on the number line    (b) on the Cartesian plane  :  y + 3 = 0

Give the geometric representation of the following equation
(a) on the number line   (b) on the Cartesian plane :   y = 3

Give the geometric representation  of the following equation
(a) on the number line    (b) on the Cartesian plane :   2x + 9 = 0