English Medium Class 9 - CBSE Question Bank Solutions

Following expression is polynomial in one variable or not? State reason for your answer.

`y^2+sqrt2`

Following expression is polynomial in one variable or not? State reason for your answer.

`3sqrtt + tsqrt2`

Following expression is polynomial in one variable or not? State reason for your answer.

`y+2/y`

Following expression is polynomial in one variable or not? State reason for your answer.

x¹⁰ + y³ + t⁵⁰

The lateral surface area of a cube is 256 m². The volume of the cube is ______.

Classify the following as linear, quadratic, and cubic polynomial:

x - x³

Classify the following as linear, quadratic and cubic polynomial:

y + y² + 4

Classify the following as linear, quadratic and cubic polynomial:

1 + x

Classify the following as linear, quadratic and cubic polynomial:

3t

Classify the following as linear, quadratic and cubic polynomial:

r²

Classify the following as linear, quadratic and cubic polynomial:

7x³

If the length of the diagonal of a cube is `6sqrt(3)` cm, then the length of the edge of the cube is 3 cm.

Can the experimental probability of an event be a negative number? If not, why?

Can the experimental probability of an event be greater than 1? Justify your answer.

As the number of tosses of a coin increases, the ratio of the number of heads to the total number of tosses will be `1/2`. Is it correct? If not, write the correct one.  

In the following figure, O is the centre of the circle. Name all radii of the circle.

In the following figure, O is the centre of the circle. Shade sectors OAC and OPB.

Find the value of the polynomial 5x – 4x² + 3 at x = 0.

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

p(y) = y² – y + 1

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

p(t) = 2 + t + 2t² – t³