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Simple Interest
Simple interest is a method of calculating the increase of an initial value at a constant rate of a period of time in years. This method could be used for things like loans that have a constant interest over a period of time.
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Compound Interest
Compound interest is a method of calculating the increase of an initial value at a constant rate over multiple period of time in any interval. This method could be used for things like investments that have a constant interest over a period of time
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Percentages
Percentages represent a portion of a whole quantity. A percentage is very similar to a fraction, the biggest difference is that a percentage uses the percentage symbol (%) and fractions use the division sign (/). The percentage can be used for multiple things like finding the discounted price on material, discovering the whole quantity in relation to fractional portion, and vice versa.
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Slope
The slope in this section is in relation to the rate of change for a linear equation in two variables. The slope is calculated by using two points that are associated with the linear equation. When x1=x2, the slope will be undefined.