Home / iGCSE Mathematics (0580) :E2.3 Manipulate algebraic fractions.iGCSE Style Questions Paper 2

iGCSE Mathematics (0580) :E2.3 Manipulate algebraic fractions.iGCSE Style Questions Paper 2

Question

Rearrange the formula \(y = \frac{x+2}{x-4}\) to make x the subject. 

Answer/Explanation

Ans: \(\frac{4y+2}{y-1}oe\)

Question

Simplify
\(\frac{x^3y + 2xy^3}{x^2y^2}\)

Answer/Explanation

Ans:

\(\frac{x^2 + 2y^2}{xy}\) or \(\frac{x}{y} +\frac{2y}{x}\)
final answer

Question

Write down all your working to show that the following statement is correct.

\(\frac{1+\frac{8}{9}}{2+\frac{1}{2}}=\frac{34}{45}\)

Answer/Explanation

Ans: \(\frac{\frac{17}{9}}{\frac{5}{2}}or\frac{17}{9}\div \frac{5}{2}\)

\(\frac{17}{9}\times \frac{2}{5}=\frac{34}{45}\)

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