02:58duration 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.

02:55duration 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

01:52duration 1 minute 52 seconds

Complex fraction involving univariate monomials

An explanation of two single fractions divided with monomial denominators and how to simplify them

02:22duration 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.

01:21duration 1 minute 21 seconds

Fraction division

Just a short application of the "keep, change, flip" technique.

01:42duration 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.