Two variables x x\,x and y y\,y are related by the formula y=axby = ax^{b}y=axb, where a a\,a and b b\,b are constants and a>0a > 0a>0.
Show that this relationship can be written in the form logy=loga+blogx\log y = \log a + b \log xlogy=loga+blogx.
157 exam-style questions on AQA A Level Maths 2.2.2 Scatter diagrams and correlation. Each one has a worked solution and a mark scheme showing where the marks go.