Two variables x x\,x and y y\,y are related by the formula y=axby = ax^by=axb where a a\,a and b b\,b are constants.
Show that this relationship can be written in the form logy=loga+blogx\log y = \log a + b \log xlogy=loga+blogx
42 exam-style questions on CCEA A Level Maths 2.5.4 Data presentation and interpretation. Each one has a worked solution and a mark scheme showing where the marks go.