02:58 duration 2 minutes 58 seconds
Solving a word problem involving a sum and…
Solving a word problem involving a sum and another basic relationship using a system of lineaer equations
This demo discusses how to set up two equations to solve the situation described, and then choose the best method to use to solve for each of the variables.
02:55 duration 2 minutes 55 seconds
Rational exponents: Products and quotients with…
Rational exponents: Products and quotients with negative exponents
Shows how to manipulate fractional exponents in variou sways
01:52 duration 1 minute 52 seconds
Complex fraction involving univariate monomials
An explanation of two single fractions divided with monomial denominators and how to simplify them
02:22 duration 2 minutes 22 seconds
Graphing a line given its slope and y-intercept
Demonstrates how to start at the y-initercept point on the grid and then use the slope to find other points on the line graph.
01:21 duration 1 minute 21 seconds
Fraction division
Just a short application of the "keep, change, flip" technique.
01:42 duration 1 minute 42 seconds
Division involving a whole number and a fraction
Uses the keep, change, flip mnemonic to demonstrate how you change all divisions of fractions to a multiplication of related fractions.