Year 11 maths recap

Which formula is used to calculate compound interest?

• I=Pin

• A=P(1+i)^n

• A=P(1-i)^n

• A=P(1+i)n

I=Pin is used to calculate ______ _______

P = _________

Savings =

• Total expenses + Total income

• Total income + Total expenses

• Total income - Total expenses

• Total expenses - Total income

I= Total ________

i =

• Interest rate as a decimal

• Interest rate as a percent

r=

• Interest rate as a decimal

• interest rate as a percent

i=

• r/100

• 100/r

• 100*r

k = the number of _____

• rests

• compounding periods

Inflation uses which formula?

• Compound interest A=P(1+i)^n

• Simple interest I=Pin