Quiz about KNOW YOUR KNOWLEDGE !!

Question 1

SIMPLIFY $$\frac{10x^4y^3}{2x^2y}$$

Accepted Answer

$$5x^2y^2$$

Answer

$$\frac{10x^2y}{2}$$

Answer

$$5x^4y^2$$

Question 2

SIMPLIFY $$\frac{3x^5y^6z^7}{x^2y^4z^6}$$

Accepted Answer

$$3x^3y^2z$$

Answer

$$3x^3yz$$

Answer

$$3xy^5z$$

Question 3

SIMPLIFY $$\frac{x^2-1}{x-1}$$

Accepted Answer

$$x+1$$

Answer

$$\left(x+1\right)\left(x-1\right)$$

Answer

$$\frac{\left(x+1\right)\left(x-1\right)}{\left(x-1\right)}$$

Question 4

SIMPLIFY $$\frac{\left(4x^2y\right)\left(3x^4\right)}{6y}$$

Accepted Answer

$$2x^6$$

Answer

$$2x^8$$

Answer

$$12x^6$$

Question 5

SIMPLIFY $$\frac{2x-6}{4}$$

Accepted Answer

$$\frac{x-3}{2}$$

Answer

$$\frac{x-3}{4}$$

Answer

$$x-3$$

Question 6

SIMPLIFY THE ALGEBRAIC FRACTION FOR

$$\frac{5}{8a}+\frac{1}{2a}$$

Accepted Answer

$$\frac{9}{8a}$$

Answer

$$\frac{1}{a}$$

Answer

$$\frac{8a}{9}$$

Question 7

SIMPLIFY THE ALGEBRAIC FRACTION FOR

$$\frac{1}{2xy}-\frac{1-x}{3xy}$$

Accepted Answer

$$\frac{\left(1+2x\right)}{6xy}$$

Answer

$$\frac{6}{xy\left(1+2x\right)}$$

Answer

$$\frac{xy}{6\left(1-2x\right)}$$

Question 8

SIMPLIFY THE ALGEBRAIC FRACTION FOR

$$\frac{6p^3}{q} imes\frac{8q^2}{3p}$$

Accepted Answer

$$16p^2q$$

Answer

$$\frac{16}{p^2q}$$

Answer

$$\frac{p^2q}{16}$$

Question 9

SOLVE

$$\frac{-5x}{7y}\div\frac{15x^3y}{21y^3}$$

Accepted Answer

$$\frac{-y}{x^2}$$

Answer

$$\frac{-25x^4y}{49y^4}$$

Answer

$$\frac{-25x^4}{49y^3}$$

Question 10

SOLVE

$$\left(x+y ight) imes\frac{x-y}{2z+1}$$

Accepted Answer

$$\frac{\left(x^2-y^2\right)}{2z+1}$$

Answer

$$\frac{\left(x+y\right)^2}{2z+1}$$

Answer

$$\frac{-\left(y^2+x^2\right)}{2z+1}$$

Question 11

Express p in terms of m

$$m=p^2$$

Accepted Answer

$$\sqrt[]{m}$$

Answer

$$\frac{m}{2}$$

Answer

$$m-2$$

Question 12

Make r as the subject of the formula

$$S=\sqrt[]{4\pi r}$$

Accepted Answer

$$r=\frac{S^2}{4\pi}$$

Answer

$$r=S-4\pi$$

Answer

$$r=\frac{S}{4\pi}$$

Question 13

Make r as the subject of the formula

$$V=E-Ir$$

Accepted Answer

$$r=\frac{E-V}{I}$$

Answer

$$r=\frac{V-E}{I}$$

Answer

$$r=\frac{I}{E-V}$$

Question 14

Make a as the subject of the formula

$$\frac{a^2}{p}+q=r$$

Accepted Answer

$$a=\sqrt[]{p\left(r-q\right)}$$

Answer

$$a=\sqrt[]{pr-q}$$

Answer

$$a=\sqrt[]{\frac{r-q}{p}}$$

Question 15

Make A as the subject of the formula

$$d=\sqrt[]{\frac{4A}{t}}$$

Accepted Answer

$$A=\frac{td^2}{4}$$

Answer

$$A=td^2$$

Answer

$$A=\frac{4}{td^2}$$

KNOW YOUR KNOWLEDGE !!

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