Finding Coordinates from Points on the Plane
Finding coordinates from points on a graph.
Finding Distance on a Graph Using the Pythagorean Theorem and the Distance Formula
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.
Slope-intercept Form
Review of the slope-intercept form showing how to write an equation given the slope and the y-intercept, and how to write an equation to solve for the y-intercept given the slope and one point.
Rewriting Equations in Order to Use the Elimination Method
Using the elimination method to solve a system of equations will sometimes require rewriting one of the equations.
Examples of Solving Systems of Equations Using the Elimination Method
The elimination method of solving a system of equations is demonstrated.
Slope Formula, The
The slope formula enables you to use two ordered pairs to find slope. Sub notation is used for clarity.
Midpoint Formula, The
The midway formula can be used to find the coordinates of a point that is half way between two given points.
Number Line, The: Summary: The Number Line
This clip summarizes the number line and how it can be used to show which of two whole numbers is greater, according to where each appears on a straight line. The clip revisits related concepts, including unit distance, graphs, coordinates, inequali...
Solving Systems by Graphing
Graphing the solution to a system of slope-intercept form equations.
Using Two Points on a Line to Write an Equation
Using the coordinates of two points on a line to write an equation involving the Celsius and Fahrenheit temperature scales.