MCQs Factorization 9th

1. If $x-2$ is a factor of $p(x)=x^2+2kx+8$, then $k=$

$4$

$3$

$-3$

$5$

2. $x^2+5x+6=$

$(x+1)(x-1)$

$(x+6)(x-1)$

$(x-2)(x-3)$

$(x+2)(x+3)$

3. What will be added to complete the square of $9a^2-12ab$?

$16b^2$

$4b^2$

$-16b^2$

$-4b^2$

4. What is the value of $p(x)=6x^4+2x^3-x+2$ at $x=0$?

5. Factors of $3x-3a+xy-ay$

$(3+y)(x+a)$

$(3-y)(x+a)$

$(3+y)(x-a)$

$(3-y)(x-a)$

6. Factors of $x^4-16$ is

$(x-2)^2$

$(x-2)(x+2)$

$(x+2)^2$

$(x-2)(x+2)(x^2+4)$

7. Factors of $5x^2-17xy-12y^2$ are

$(x-4y)(5x+3y)$

$(5x-4y)(x+3y)$

$(x-4y)(5x-3y)$

$(x+4y)(5x+3y)$

8. Factors of $pqr+qr^2-pr^2-r^3$ is

$r(p-r)(q+r)$

$r(p+r)(q+r)$

$r(p-r)(q-r)$

$r(p+r)(q-r)$

9. How many factors of a cubic expression are there?

Zero

10. The factor of $x^2-5x+6$ are

$x+2, x+3$

$x+1, x-6$

$x-2, x-3$

$x+6, x-1$

11. $(x+y)(x^2-xy+y^2)=$

$(x+y)^3$

$x^3-y^3$

$(x-y)^3$

$x^3+y^3$

12. Factors of $8x^3+27y^3$ are

$(2x-3y)(4x^2-9y^2)$

$(2x+3y)(4x^2-6xy+9y^2)$

$(2x-3y)(4x^2+6xy+9y^2)$

$(2x+3y)(4x^2-9y^2)$

13. Find $$ so that $x^2+4x+m$ is a complete square.

$16$

$-8$

$4$

$8$

14. Factors of $3x^2-x-2$ are

$(x+1)(3x+2)$

$(x-1)(3x-2)$

$(x-1)(3x+2)$

$(x+1)(3x-2)$

15. $4a^2-16=$

$(2a+8)(2a-8)$

$4(a+2)^2$

$4(a+2)(a-2)$

$4(a-2)^2$

16. Factors of $27x^3 – \frac{1}{x^3}$ are

$\left(3x+\frac{1}{x}\right) \left(9x^2+3+\frac{1}{x^2}\right)$

$\left(3x-\frac{1}{x}\right) \left(9x^2-3+\frac{1}{x^2}\right)$

$\left(3x+\frac{1}{x}\right) \left(9x^2-3+\frac{1}{x^2}\right)$

$\left(3x-\frac{1}{x}\right) \left(9x^2+3+\frac{1}{x^2}\right)$

17. $4a^2+4ab+(\cdots \cdots)$ is a complete square.

$b^2$

$4b^2$

$2b$

$a^2$

18. $(x-y)(x^2+xy+y^2)=$

$x^3+y^3$

$(x+y)^3$

$(x-y)^3$

$x^3-y^3$

19. Factors of $a^4-4b^4$ are

$(a-2b)(a^2+2b^2)$

$(a-b)(a+b)(a^2-4b^2)$

$(a-b)(a+b)(a^2+4b^2)$

$(a^2-2b^2)(a^2+2b^2)$

20. $\frac{x^2}{y^2} -2 +\frac{y^2}{x^2}=\cdots$

$\left(\frac{x}{y} – \frac{y}{x}\right)^2$

$\left(\frac{x}{y} + \frac{y}{x}\right)^3$

$\left(\frac{x}{y} – \frac{y}{x}\right)^3$

$\left(\frac{x}{y} + \frac{y}{x}\right)^2$

MCQs Factorization Mathematics Chapter 5 Class 9

Related

Leave a Comment Cancel reply

MCQs Factorization Mathematics Chapter 5 Class 9

Related

Leave a Comment Cancel reply

Discover more from GM Statistics