This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 14 Factorisation ā Quiz 2 š Homepage š Download PDF Books š Premium PDF Books Class 8 Maths Chapter 14 Factorisation Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Factor:x$^{2}$-121 A) (x + 4)(x + 5). B) (x + 20)(x + 1). C) (x-11)(x + 11). D) $\left(x-11\right)^2$. Show Answer Correct Answer: C) (x-11)(x + 11). 2. Factorise $3x-12$ A) $3\left(3x-4\right)$. B) $3\left(3x-12\right)$. C) $3\left(x-4\right)$. D) $3\left(x-12\right)$. Show Answer Correct Answer: C) $3\left(x-4\right)$. 3. Factorise:-1-8m$^{2}$ + 16m$^{4}$ A) (1-4m) (1 + 4m). B) (1 + M) (1-M) (1 + 4 m $^{a} $). C) (1-M) $^{a} $ (1 + m) $^{a} $. D) (1-4m $^{2} $) (1 + 4m $^{2} $). Show Answer Correct Answer: C) (1-M) $^{a} $ (1 + m) $^{a} $. 4. Factorise:-2m$^{2}$ + 8m-42 A) 2(m + 7)(m-3). B) (Umm + h) (Umm-p). C) 2(m-7)(m + 3). D) (Umm-h) (Umm + p). Show Answer Correct Answer: A) 2(m + 7)(m-3). 5. Factorise $2d-9de$ A) $2d\left(1-9e\right)$. B) $d\left(2-9e\right)$. C) 7e. D) 7e. Show Answer Correct Answer: B) $d\left(2-9e\right)$. 6. X$^{2}$+3x-18 A) (x+6)(x-3). B) (x-6)(x+3). C) (x-2)(x+9). D) (x+2)(x-9). Show Answer Correct Answer: A) (x+6)(x-3). 7. Expand $7\left(a+2b\right)$ A) $a+14b$. B) $ +14 b $. C) $ H+Ab $. D) $a+2b$. Show Answer Correct Answer: B) $ +14 b $. 8. Factorise:-12x$^{3}$-75xy$^{2}$ A) 3x(4x-5y)$^{2}$. B) Reverse (X + KH) (X-Kha). C) 3(4x$^{3}$-15xy$^{2}$). D) The opposite (X-Kha) $^{a} $. Show Answer Correct Answer: B) Reverse (X + KH) (X-Kha). 9. The factorisation of 6x-42 is A) 6(x-7). B) 3(x-7). C) 2(x-7). D) 6(x + 7). Show Answer Correct Answer: A) 6(x-7). 10. Factorise:4x$^{2}$-10xy-6xz +15yz A) (X-KH) (4 x-2Z). B) (X-Kha) (X-Ezz). C) (I.e.-Khus) (X-Ezz). D) (Reverse-Khay) (Tex-Ezz). Show Answer Correct Answer: B) (X-Kha) (X-Ezz). 11. Fatsiters $^{2} $-hv-will A) (ZV-Nat) (in+1). B) 3 (B-7) (B-1). C) (ZV+1) (V-I). D) (ZV+1) (B-10). Show Answer Correct Answer: A) (ZV-Nat) (in+1). 12. Identify whether the given mathematical statement is correct or not5 x + 4y = 9xy A) CORRECT. B) NOT CORRECT. C) All the above. D) None of the above. Show Answer Correct Answer: B) NOT CORRECT. 13. Expand and simplify $7-\left(a-2\right)$ A) $9+a$. B) $9-a$. C) $5-a$. D) $5+a$. Show Answer Correct Answer: B) $9-a$. 14. Victory $ A+C $ A) $r\left(3k\right)$. B) $r\left(3+k\right)$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $r\left(3+k\right)$. 15. $ X^A+Khax+A $ A) (2x+1)(x+3). B) (2x+3)(x+1). C) (x+1)(3x+2). D) (3x+1)(x+3). Show Answer Correct Answer: B) (2x+3)(x+1). 16. $am^2+bm^2+bn^2+an^2$ A) $\left(m^2+n^2\right)\left(a+b\right)$. B) $\left(m^2+n^2\right)\left(a-b\right)$. C) $\left(m^2+n^2\right)\left(a+c\right)$. D) $\left(m^2-n^2\right)\left(a+b\right)$. Show Answer Correct Answer: A) $\left(m^2+n^2\right)\left(a+b\right)$. 17. Factorise:-(m + n)$^{2}$ + (m-n)$^{2}$ A) 2(m + n)(m-n). B) 2m$^{2}$ + n$^{2}$. C) 2(m$^{2}$ + n$^{2}$). D) 4nn. Show Answer Correct Answer: C) 2(m$^{2}$ + n$^{2}$). 18. Divide:15(y + 3) (y$^{2}$-16) by 5(y$^{2}$-y-12). Which of the following is not the answer of above problem? A) 6y + 24. B) 3(y+2). C) 3(y+4). D) 4y + 12. Show Answer Correct Answer: B) 3(y+2). 19. Factorise:$x^2-x-12$ A) $\left(x+3\right)\left(x+4\right)$. B) $\left(x-4\right)\left(x-3\right)$. C) $\left(x-3\right)\left(x+4\right)$. D) $\left(x-4\right)\left(x+3\right)$. Show Answer Correct Answer: D) $\left(x-4\right)\left(x+3\right)$. 20. X$^{2}$-2xy +y$^{2 }$ = ..... A) X $^{2} $ + y $^{2} $. B) X-y $^{2} $. C) (x-y) $^{2} $. D) (x + y) $^{2} $. Show Answer Correct Answer: C) (x-y) $^{2} $. 21. Factorise $x^2+3x$ A) $x\left(x+3x\right)$. B) $x\left(x+3\right)$. C) $x\left(x^2+3\right)$. D) $3\left(x^2+x\right)$. Show Answer Correct Answer: B) $x\left(x+3\right)$. 22. Factor by groupingx$^{3}$-4x$^{2}$-4x + 16 A) (x+4)(x+2). B) (x-4)(x$^{2}$-4). C) (x+4)(x$^{2}$-4). D) (x-4)(x-2). Show Answer Correct Answer: B) (x-4)(x$^{2}$-4). 23. N + n$^{2}$ A) (n-22)(6-n). B) (22-n)(6-n). C) (23-n)(4-n). D) (n-23)(n + 4). Show Answer Correct Answer: C) (23-n)(4-n). 24. Choose the correct answer:The factorisation of 25x$^{2}$y-5xy is A) 5xy (5x-1). B) 5xy (5x + 1). C) 5xy (5x + 5). D) 5xy (x-y). Show Answer Correct Answer: A) 5xy (5x-1). 25. Square of 3x-4y is: A) 9x$^{2}$-16y$^{2}$. B) 9x$^{2}$ + 16y$^{2}$ + 12xy. C) 6x$^{2}$-8y$^{2}$. D) 9x$^{2}$ + 16y$^{2}$-24xy. 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