Summary (Grade 10 NSC Matric Mathematics): Flashcards

Extra money earned investing or paid borrowing

Linear - same amount added each period

$A = P(1 + in)$

Exponential - interest on interest

$A = P(1 + i)^n$

Principal (original money invested or borrowed)

Interest rate as decimal (e.g., 8% = 0.08)

Simple interest

Compound interest

Price of one currency in terms of another