Quiz about Form 2 Math Quiz 3.1 Part 1

Question 1

The sum of 6p and 3q is S. Write a formula for S.

Accepted Answer

S= 6p + 3q

Answer

S = 6p - 3q

Answer

S = 6p x 3q

Answer

$$S\ =\ \frac{6p}{3q}$$

Question 2

Sofea bought 40kg of rice and used y kg of it every day. After 2 weeks, x kg of rice is left. Write a formula for x.

Accepted Answer

x = 40 - 14y

Answer

x = 40 + 14y

Answer

40 = x + 14y

Answer

14y = 40 - x

Question 3

A loaf of bread costs RM 2.40 and a bottle of jam costs RM 7.50. Jian Wei paid

RM J for p loaf of bread and q bottle of jam. Write a formula for J.

Accepted Answer

J = 2.4p + 7.5q

Answer

J = 2.4p x 7.5q

Answer

J = 2.4q + 7.5p

Answer

J = 2.4q - 7.5p

Question 4

State the subject of formula for $$S\ =\ 3a\ +\ 2b$$

Accepted Answer

S

Answer

a

Answer

b

Answer

3

Question 5

State the subject of formula for y = 4x + 6.

Accepted Answer

y

Answer

x

Answer

6

Answer

4x

Question 6

State p as the subject of formula for h = 8p+7.

Accepted Answer

$$p=\frac{h-7}{8}$$

Answer

$$p=\frac{h+7}{8}$$

Answer

$$p=\frac{7h}{8}$$

Answer

$$p=\frac{8}{7h}$$

Question 7

State z as the subject of formula for $$3x\ =\ \frac{y}{2}-z$$ .

Accepted Answer

$$z\ =\ \frac{y}{2}-3x$$

Answer

$$z\ =\ \frac{y}{2}+3x$$

Answer

$$z\ =\ \frac{y-5x}{2}$$

Answer

$$z\ =\ \frac{y+5x}{2}$$

Question 8

State h as the subject of formula for 9k = 3 (5g-h).

Accepted Answer

h = 5g -3k

Answer

h = 5g + 3k

Answer

h = 3g - 5k

Answer

h = 3g + 5k

Question 9

State w as the subject of formula for $$J\ =\ \frac{4\ -3w}{w}$$ .

Accepted Answer

$$w\ =\ \frac{4}{J\ +\ 3}$$

Answer

$$w\ =\ \frac{J\ +3}{4}$$

Answer

$$w\ =\ \frac{4}{J\ -3}$$

Answer

$$w\ =\ \frac{J-3}{4}$$

Question 10

State y as the subject of formula for $$\frac{2\left(y-2\right)}{3p}=y$$ .

Accepted Answer

$$y=\frac{4}{2-3p}$$

Answer

$$y=\frac{4}{2+3p}$$

Answer

$$y\ =\ \frac{2-3p}{4}$$

Answer

$$y\ =\ \frac{2+3p}{4}$$

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