The process of working with a rational expression that contains a quadratic trinomial in the denominator is illustrated.
If a rational expression is more complicated, factoring before multiplying might be indicated.
Sometimes the greatest common factor is immediately recognizable. Definition and demonstration of factoring by inspection.
Factoring with negative numbers. Using negative one to change the signs of each term in an expression.
How to identify a false inequality.
Finding coordinates from points on a graph.
The Pythagorean Theorem can be used to solve a distance problem on the coordinate plane. The same problem is also solved using the distance formula.
Finding the equation represented in a graph.
Plotting a second line on a graph produces a comparison of the hourly cost to park at two different parking lots.
The procedure for finding rate of change from a graphed line is detailed.