This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Factorisation > Class 8 Maths Chapter 14 Factorisation – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 14 Factorisation Quiz 3 (23 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Factor:3x$^{2 }$-17x + 10 A) (x + 5)(3x + 2). B) (x-5)(3x-2). C) (x + 5)(3x-2). D) (3x-5)(x-2). Show Answer Correct Answer: B) (x-5)(3x-2). 2. Factorise 3r$^{2}$ + 9 A) Ar (p + t). B) R$^{2}$ (3 + r). C) 3 (r$^{2}$ + 3). D) Ar ($^{a} $ + p). Show Answer Correct Answer: C) 3 (r$^{2}$ + 3). 3. Factork$^{2}$+7x+10 A) (K+10) (K+4). B) (K+2) (K+5). C) (K+2) (K-5). D) (K-2) (K-5). Show Answer Correct Answer: B) (K+2) (K+5). 4. Fill in the blank:2(x + 7) = 2x + ..... A) 14. B) Sd. C) 14x. D) 7. Show Answer Correct Answer: A) 14. 5. Factorise $35y+7$ A) $5\left(7y+7\right)$. B) $5\left(7y+1\right)$. C) $7\left(5y+1\right)$. D) $7\left(5y\right)$. Show Answer Correct Answer: C) $7\left(5y+1\right)$. 6. Factorise 3r + r$^{2}$ A) R (3 + r). B) Ar (1 + t). C) Ar (R + P). D) 3 (1 + r). Show Answer Correct Answer: A) R (3 + r). 7. Factorise $m^4-256$ A) $\left(m+4\right)\left(m-4\right)$. B) $\left(m^2+4\right)\left(m^2-4\right)$. C) $\left(m-4\right)\left(m+4\right)\left(m^2+16\right)$. D) $\left(m^2+16\right)\left(m^2-16\right)$. Show Answer Correct Answer: C) $\left(m-4\right)\left(m+4\right)\left(m^2+16\right)$. 8. Expand $2x\left(x-3y\right)$ A) $ 3x-6y $. B) $2x^2-6xy$. C) $ X^Reflecting $. D) $3x-6xy$. Show Answer Correct Answer: B) $2x^2-6xy$. 9. The factorisation of 5x-20 is: A) 5(x-4). B) 5(x-20). C) 5(x-5). D) 5(x-3). Show Answer Correct Answer: A) 5(x-4). 10. (x + 1) (x + 1) is a factor of ..... A) X$^{2}$-2x + 1. B) X$^{2}$-1 + 2x. C) X$^{2}$ + 2x + 1. D) X$^{2}$ + 1-2x. Show Answer Correct Answer: C) X$^{2}$ + 2x + 1. 11. Factor2x$^{2}$-13x-70 A) (2x-7)(x+10). B) 2(x+7)(x+10). C) (2x+7)(x-10). D) (7x+5) (x+2). Show Answer Correct Answer: C) (2x+7)(x-10). 12. The common factor of 2x, 3x3, 4 is A) 2. B) 1. C) 3. D) 0. Show Answer Correct Answer: B) 1. 13. $\left(a+2b\right)^2-\left(a^2-b^2\right)$ A) $ ZB^2 $. B) $5b^2+4ab$. C) $ A ^ 2 + 4b ^ 2 $. D) $ Boy^A+August $. Show Answer Correct Answer: B) $5b^2+4ab$. 14. Factorise $5k+25$ A) $5\left(k+25\right)$. B) $5\left(5k+25\right)$. C) $5\left(5k+5\right)$. D) $5\left(k+5\right)$. Show Answer Correct Answer: D) $5\left(k+5\right)$. 15. Factor:56a$^{3}$-8a A) Za (H $^{a} $-1). B) 8a$^{2}$(56a$^{3}$-8a). C) 8a$^{2}$(35a$^{2}$-a). D) Za (H $^{p} $ A). Show Answer Correct Answer: A) Za (H $^{a} $-1). 16. Factorise 4x$^{2 }$-25 A) ( 2x + 5 ) ( 2x-5 ). B) ( 2x + 5 ) ( x + 5 ). C) Prime. D) (2x-5 ) ( 2x-5 ). Show Answer Correct Answer: A) ( 2x + 5 ) ( 2x-5 ). 17. Factorise $a^2+3a$ A) $a\left(1+3\right)$. B) $a\left(a+3a\right)$. C) $a\left(a+3\right)$. D) $a\left(2a+3\right)$. Show Answer Correct Answer: C) $a\left(a+3\right)$. 18. The common factor 12a and 30 is: A) 12. B) 6. C) 30. D) 6a. Show Answer Correct Answer: B) 6. 19. Factor:4x$^{2 }$-16x-9 A) (2x + 9)(2x-1). B) (2x-9)(2x + 1). C) (4x-1)(x + 9). D) (2x-3)(2x-3). Show Answer Correct Answer: B) (2x-9)(2x + 1). 20. The factors of 6xy-4y + 6-9x are: A) (Reverse + a) (i.e.-p). B) (Reverse-a) (i.e.-p). C) (Reverse + A) (i.e. + P). D) (Reverse-a) (i.e. + P). Show Answer Correct Answer: B) (Reverse-a) (i.e.-p). 21. Expand $3\left(x+y\right)$ A) $ x+y $. B) $3x+y$. C) $x+3y$. D) $3x+3y$. Show Answer Correct Answer: D) $3x+3y$. 22. Factorise:-72n$^{2}$ + 120mn + 50m$^{2}$ A) 2 (5n + 6m) $^{2} $. B) 2(5m + 6n)$^{2}$. C) 2 (5n $^{2} $ + 6m $^{2} $). D) 2(5m$^{2}$ + 6n$^{2}$). Show Answer Correct Answer: B) 2(5m + 6n)$^{2}$. 23. Factorise $9x-9$ A) $9\left(x+1\right)$. B) $9\left(x\right)$. C) $9\left(x-1\right)$. D) $9\left(x-9\right)$. Show Answer Correct Answer: C) $9\left(x-1\right)$. ← PreviousRelated QuizzesMathematics QuizzesClass 8 QuizzesClass 8 Maths Chapter 14 Factorisation Quiz 1Class 8 Maths Chapter 14 Factorisation Quiz 2 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books