English Medium कक्षा ९ - CBSE Question Bank Solutions for Mathematics

One of the zeroes of the polynomial 2x² + 7x – 4 is ______.

Zero of a polynomial is always 0

A polynomial cannot have more than one zero

Find p(0), p(1), p(–2) for the following polynomial:

p(x) = 10x – 4x² – 3

Find p(0), p(1), p(–2) for the following polynomial:

p(y) = (y + 2)(y – 2)

–3 is a zero of x – 3

`-1/3` is a zero of 3x + 1

`(-4)/5` is a zero of 4 – 5y

0 and 2 are the zeroes of t² – 2t

–3 is a zero of y² + y – 6

Find the zeroes of the polynomial in the following:

p(x) = x – 4

Find the zeroes of the polynomial in the following:

g(x) = 3 – 6x

Find the zeroes of the polynomial in the following:

q(x) = 2x – 7

Find the zeroes of the polynomial in the following:

h(y) = 2y

Find the zeroes of the polynomial:

p(x) = (x – 2)² – (x + 2)² 

If a, b, c are all non-zero and a + b + c = 0, prove that `a^2/(bc) + b^2/(ca) + c^2/(ab) = 3`.

The point which lies on y-axis at a distance of 5 units in the negative direction of y-axis is ______.

A point lies on y-axis at a distance of 2 units from the x-axis. Its coordinates are (2, 0).

Without plotting the points indicate the quadrant in which they will lie, if ordinate is 5 and abscissa is – 3

Without plotting the points indicate the quadrant in which they will lie, if abscissa is – 5 and ordinate is – 3