Vocab Flashcards
(12 cards)
Constant of variation
The number that does not change in the equation
Direct variation
When the ratio to variable quantity is constant variables very directly. pass through the origin.
Percent.
Out of 100.
Percent of change
Percent a quantity increases or decreases from its original amount
Discount –
The amount by which the regular price is reduced
Sale price
Selling price the price of an item after the discount has been reduced
Markup
The amount of increase in price
Interest
Money paid or earned for the use of someone else’s money.
Interest rate
Rate at which interest is calculated percentages –
Principal
The amount of money loaned or borrowed
Simple interest
Interest calculated only on the principle.
Compound interest
Interest paid on the original principal and on any interest that has been left in the account