Quiz about Penilaian Formatif Quiz 1 DBM10013

Question 1

$$3x^2\ and\ 7x^2\ are\ like\ terms.$$

Accepted Answer

TRUE

Answer

FALSE

Question 2

$$5ab^2\ and\ 5a^2b\ are\ like\ terms$$

Accepted Answer

FALSE

Answer

TRUE

Question 3

Expand $$3\left(a+2\right)$$ :

Accepted Answer

$$3a+6$$

Answer

$$3a+2$$

Answer

$$3a+5$$

Question 4

Simplify $$-4r-\left(s-5r\right)$$

Accepted Answer

$$r-s$$

Answer

$$s-9r$$

Answer

$$9r-s$$

Answer

$$s-r$$

Question 5

Does $$\frac{3}{5}\div\frac{4}{10}=\frac{3}{5} imes\frac{10}{4}$$ ?

Accepted Answer

TRUE

Answer

FALSE

Question 6

Simplify $$\frac{\left(3x^4\right)\left(\ 2xy^2\right)}{15y^3z}$$

Accepted Answer

$$\frac{2x^5}{5yz}$$

Answer

$$\frac{6x^5y^2}{15y^3z}$$

Answer

$$\frac{6x^5}{15y^3z}$$

Answer

$$\frac{2x^5y}{5z}$$

Question 7

Simplify $$\frac{4abc\left(2a\right)}{12ab^2}$$

Accepted Answer

$$\frac{2ac}{3b}$$

Answer

$$\frac{6a^2c}{12b}$$

Answer

$$\frac{8a^2c}{12b}$$

Answer

$$\frac{6ac}{12b}$$

Question 8

Rearrange the equation into general form:
$$3x^2+2x-5=2x^2+3$$

Accepted Answer

$$x^2+2x-8=0$$

Answer

$$x^2+2x+8=0$$

Answer

$$5x^2+2x-8=0$$

Answer

$$5x^2+2x+8=0$$

Question 9

Rearrange the equation into general form:
$$5x^2+x+4=x^2+3$$

Accepted Answer

$$4x^2+x+1=0$$

Answer

$$4x^2+x+7=0$$

Answer

$$6x^2+x+1=0$$

Answer

$$6x^2+x+7=0$$

Question 10

Solve the quadratic equations:

$$x^2-5x+6=0$$

Accepted Answer

$$x_1=3\ ,\ x_2=2$$

Answer

$$x_1=1,\ x_2=3$$

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