Question 1

Which of the following are algebraic fractions?

I. $\frac{2}{a-1}$

II. $\frac{a+2}{7}$

III. $\frac{a-1}{a+2}$

Accepted Answer

I and III only

Answer

I, II and III

Answer

II and III only

Answer

I and II only

Question 2

Change thesubject of the following formula to the letter in the square brackets.

F = 8 - x [x]

Accepted Answer

x = 8 - F

Answer

x =  -F - 8

Answer

x = 8 + F

Answer

x =  F - 8

Question 3

Change thesubject of the following formula to the letter in the square brackets.

$a=\frac{bc}{d}$ [c]

Accepted Answer

$c=\frac{ad}{b}$

Answer

c=\frac{a+d}{b}

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 4

Change thesubject of each of the following formulae to the letter in the square brackets.

x = 5y - 1 [y]

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 5

$c=\frac{ad}{b}$ . Change the subject of the formula to r.

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 6

$d=\frac{\left(u+v\right)t}{s}$ Change the subject of the formula to u.

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 7

Change thesubject of each of the following formula to the letter in the square brackets.

$a=\frac{bc}{d}$ [q]

Accepted Answer

q = 3(p - 2)

Answer

q = 3p + 2

Answer

q = 3p - 2

Answer

q = 3(p + 2)

Question 8

Change thesubject of each of the following formula to the letter in the square brackets.

$a=\frac{bc}{d}$ [p]

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 9

Change thesubject of each of the following formulae to the letter in the square brackets.

x + y+ xy = 10 [y]

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Question 10

Change thesubject of each of the following formulae to the letter in the square brackets.

$a=\frac{bc}{d}$ [b]

Accepted Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

Answer

$c=\frac{ad}{b}$

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