Khan Academy
Khan Academy: Algebra: Functions 3
Functions and graphs are investigated in this video tutorial. Students learn about the algebra concepts through detailed examples. [9:12]
Khan Academy
Khan Academy: Graphing Functions: Ex 1: Evaluating a Function
Video [5:07] evaluating a linear function written in function notation for two different values of x and an expression.
Khan Academy
Khan Academy: Graphing Functions: Ex 4: Graphing Radical Functions
Video [10:16] showing how to graph a radical function by specifically choosing values for x that result in easy-to-plot values of y and then plotting the points.
Khan Academy
Khan Academy: Logarithm Properties: Proof: Log a + Log B = Log Ab
Proof of the logarithm property: log a + log b = log ab
Khan Academy
Khan Academy: Factoring Quadratics: Example 4: Factoring by Grouping
Factoring trinomials by grouping.
Khan Academy
Khan Academy: Absolute Value Equations: Absolute Value Equations
This video demonstrates how to solve equations that contain absolute values. It also demonstrates what an absolute value function would look like on a graph.
Khan Academy
Khan Academy: Algebra: Logarithmic Functions: Graphing Logarithmic Functions
Models an example of how to graph a logarithmic function. [9:10]
Imagine Learning Classroom
Learn Zillion: Graph a Line Using X and Y Intercepts
In this lesson, you will learn how to graph a line by using its x- and y-intercepts. [5:31]
Khan Academy
Khan Academy: Logarithmic Functions: Logarithmic Scale
Understanding how logarithmic scale is different from linear scale and why it could be useful