Test: Factorisation


10 Questions MCQ Test HJ TEST bundle data | Test: Factorisation


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Attempt Test: Factorisation | 10 questions in 10 minutes | Mock test for Class 9 preparation | Free important questions MCQ to study HJ TEST bundle data for Class 9 Exam | Download free PDF with solutions
QUESTION: 1

Which of the following are the factors of a2 + ab +bc + ca

Solution:
QUESTION: 2

Factoring 3x2-5x+2

Solution:

3x^2-3x-2x+2
now, we take common
3x(x-1)-2(x-1)
(x-1)common and (3x-2)
(x-1)(3x-2)

QUESTION: 3

The number of zeros of x2 + 4x + 2      

Solution:
QUESTION: 4

Factorise by splitting the middle term 2x- 11x + 12

Solution:
QUESTION: 5

The volume of cuboid is given by the expression x3+2x2-x-2. The dimension of the cuboid for x = 5 is:​

Solution:
QUESTION: 6

Expansion of 2x(x + 2y) + 3x(2x - 3y) yields

Solution:
QUESTION: 7

What are the two factors of quadratic polynomial x2-16x+64?

Solution:

QUESTION: 8

Factorise the quadratic polynomial by splitting the middle term:
x2 + 14x + 45

Solution:

The two numbers that add up to 14, and multiply to 45 and 9 and 5.

(x+5)(x+9)

QUESTION: 9

Factorize the quadratic polynomial by splitting the middle term: y2 – 4 y –21​

Solution:
QUESTION: 10

What is the value of p if x-2 is a factor of x2 – 6x + p ?

Solution:

P(x) = ×2-6×+p
p (2)= (2)2-6 (2) +p
4- 12 + p
-8 + p
p = -8 
 

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