English Medium Class 9 - CBSE Question Bank Solutions

Factorize `x^2 - 2sqrt2x - 30`

Factorize `x^2 - sqrt3x - 6`

Factorize `x^2 + 5sqrt5x + 30`

Factorize `x^2 + 2sqrt3x - 24`

Factorize `x^2 + 12/35 x + 1/35`

Factorize `2x^2 - 5/6x + 1/12`

Factorize `21x^2 - 2x + 1/21`

Factorize `5sqrt5x^2 + 20x + 3sqrt5`

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:

3x² - 4x +15

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:

`y^2 +2sqrt3`

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:

`3sqrtx+sqrt2x`

Define the following terms: 

Line segment 

Define the following term : 

Collinear points 

Factorize `2x^2 + 3sqrt5x + 5`

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:

`x - 4/x`

Define the following terms : 

Parallel lines 

Define the following term: 

Intersecting lines 

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:

`x^12+y^3+t^50`

Factorize `9(2a - b)^2 - 4(2a - b) - 13`

Define the following term 

Concurrent lines