YEAR 9 - Maths > Indices > Flashcards
5 power a x 5 power b =
5 power a+b
Find y: 9y=27
9y = 273 squared y = 3 cubed2y = 3y = 1.5
7 power x / 7 power y =
7 power x-y
9x/3y =
3 power 2x-y