Exercise 6 G
Factorise:
Q1 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 1
$4 x^{2}+5 x+1$
Sol :
Q2 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 2
$2 x^{2}+11 x+14$
Sol :
Q3 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 3
$2 x^{2}+11 x+12$
Sol :
Q4 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 4
$3 x^{2}+13 x+4$
Sol :
Q5 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 5
$2 x^{2}-5 x-12$
Sol :
Q6 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 6
$4 x^{2}+8 x-5$
Sol :
Q7 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 7
$13 x^{2}+37 x-6$
Sol :
Q8 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 8
$40 n^{2}+n-6$
Sol :
Q9 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 9
$4 z^{2}-16 z+15$
Sol :
Q10 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 10
$6-9 c-27 c^{2}$
Sol :
Q11 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 11
$1-t-6 t^{2}$
Sol :
Q12 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 12
$2 a^{2}+7 a b-15 b^{2}$
Sol :
Q13 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 13
$4 x^{2}+24 x+20$
Sol :
Q14 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 14
$12 a^{2}+2 a-4$
Sol :
Q15 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 15
$12 m^{3}+6 m^{2}-6 m$
Sol :
Q16 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 16
$6 x^{5}-22 x^{3}-8 x$
Sol :
Q17 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
Question 17
$6 z^{6}-21 z^{4}-12 z^{2}$
Sol :
Multiple Choice Questions (MCQs)
Q18 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
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 :
Q19 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
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)
Q20 | Ex-6G | Class 8 | SChand Composite Maths | Factorisation of Algebraic Expressions | myhelper
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 :
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