S.chand Class 8 Maths Solution Chapter 6 Factorisation of Algebraic Expressions Exercise 6 G

 Exercise 6 G

Factorise: 

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Q1 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 1

$4 x^{2}+5 x+1$

Sol :

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Q2 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 2

$2 x^{2}+11 x+14$

Sol :

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Q3 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 3

$2 x^{2}+11 x+12$

Sol :

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Q4 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 4

$3 x^{2}+13 x+4$

Sol :

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Q5 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 5

$2 x^{2}-5 x-12$

Sol :

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Q6 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 6

$4 x^{2}+8 x-5$

Sol :

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Q7 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 7

$13 x^{2}+37 x-6$

Sol :

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Q8 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 8

$40 n^{2}+n-6$

Sol :

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Q9 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 9

$4 z^{2}-16 z+15$

Sol :

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Q10 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 10

$6-9 c-27 c^{2}$

Sol :

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Q11 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 11

$1-t-6 t^{2}$

Sol :

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Q12 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 12

$2 a^{2}+7 a b-15 b^{2}$

Sol :

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Q13 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 13

$4 x^{2}+24 x+20$

Sol :

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Q14 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 14

$12 a^{2}+2 a-4$

Sol :

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Q15 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 15

$12 m^{3}+6 m^{2}-6 m$

Sol :

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Q16 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 16

$6 x^{5}-22 x^{3}-8 x$

Sol :

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Q17 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 17

$6 z^{6}-21 z^{4}-12 z^{2}$

Sol :

Multiple Choice Questions (MCQs)

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Q18 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 18

A rectangular parking lot has an area of $5 x^{2}+17 x+6$ square units. One of its sides is

(a) $(5 x+6)$

(b) $(x+2)$

(c) $(5 x+2)$

(d) $(5 x+1)$

Sol :

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Q19 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 19

The complete factorisation of $-12 b^{5}-b^{3}+b$ is

(a) $-b\left(12 b^{4}+b^{2}-1\right)$

(b) $b(2 b-1)(2 b+1)\left(1+3 b^{2}\right)$

(c) $-b\left(4 b^{2}-1\right)\left(3 b^{2}+1\right)$

(d) $b(1-2 b)(1+2 b)\left(1+3 b^{2}\right)$

Sol :

High Order Thinking Skills (HOTS)

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Q20 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper

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Question 20

The binomial $x-3$ is not a factor of which of the following trinomials ?

(a) $2 x^{2}-x-15$

(b) $3 x^{2}-13 x+12$

(c) $2 x^{2}-8 x+6$

(d) $2 x^{2}-7 x-3$

Sol :