Graphic of Quadratic Equations
All quadratic equations with two variables have an infinite number of solutions. When graphed, these ordered pairs lie on a curve called a parabola.
Slope Defined
Slope is the ratio that shows the rate of change between two pints. Calculating slope using a graph is demonstrated.
Graphing the Equation y = 3x - 1
How to graph the equation y = 3x - 1.
Graphing an Equation with a Negative Slope
A practice problem for using the slope-intercept form to graph a negative slope.
Graphing Equations that Pass Through the Origin
Graphing an equation with two variables and no constant.
Graphing the Equation x y = 10
How to graph a linear equation showing the relationship between the variables.
Horizontal and Vertical Lines Have No Slope
Plotting and spotting zero slope lines, both horizontal and vertical.
Identifying the Slope and y-intercept in an Equation
How to identify and the y-intercept in an equation.
Identify for Multiplication
The identity for multiplication is one. It applies to all numbers and to algebraic variables and expressions.
Review of Techniques for Solving Systems of Equations
Review of techniques that can be used in solving systems of equations, including the elimination method and the substitution method.