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