02:20 duration 2 minutes 20 seconds
Solving a word problem with two unknowns using a…
Solving a word problem with two unknowns using a linear equation.
This shows how to represent the two unknowns using their given relationship so that a linear equation can be written using one variable. Then that equation is solved to answer the question
01:51 duration 1 minute 51 seconds
Introduction to simplifying a sum or difference…
Introduction to simplifying a sum or difference of radical expressions: Univariate
Two examples of reducing radicals to then be able add or subtract like radicals