An inverse-proportion graph
An inverse-proportion graph
Secondary 2
6 marks
TGM Original Questions
For positive values of \(x\), \(y\) is inversely proportional to \(x\). Given \(y=6\) when \(x=2\),
- find the equation;[2]
- form a table for \(x=1,2,3,4,6,12\) and draw the curve;[3]
- explain why doubling \(x\) halves \(y\).[1]
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Answer:(a) \(y=12/x\). (b) Table: \(12,6,4,3,2,1\); see curve. (c) \(12/(2x)=\tfrac12(12/x)\), so doubling \(x\) halves \(y\).
Need help? Join our E-Maths tuition for O-Level success.
Learn more