02:22 duration 2 minutes 22 seconds
Introduction to compound interest
A short discussion of how compunde interest works and why the amount in a compound interest account grows more and more quickly.
08:25 duration 8 minutes 25 seconds
Solving a word problem using a quadratic equation…
Solving a word problem using a quadratic equation with irrational roots
Shows how to substitite the given value for the output variable, then rearranges the resulting equation in standard form. Values for a, b, and c are identified and then entered into the quadratic…
02:53 duration 2 minutes 53 seconds
Rounding decimals
Just a quick review of how to round decimal numbers.