TEKS-8-4A: Use similar right triangles to develop an understanding that slope, m, given as the rate comparing the change in y- values to the change in x- values, (y2 - y1 ) / (x2 - x1 ), is the same for any two points (x1 , y1 ) and (x2 , y2 ) on the same line.

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Closed Captioned Video: Linear Functions: Negative Slope, Negative y-Intercept

Closed Captioned Video: Linear Functions: Negative Slope, Negative y-Intercept Video Tutorial: Linear Functions: Negative Slope, Negative y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a negative slope and a negative y-intercept.

Graphs of Linear Functions

Closed Captioned Video: Linear Functions: Negative Slope, Positive y-Intercept

Closed Captioned Video: Linear Functions: Negative Slope, Positive y-Intercept Video Tutorial: Linear Functions: Negative Slope, Positive y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a negative slope and a positive y-intercept.

Graphs of Linear Functions

Closed Captioned Video: Linear Functions: Negative Slope, Zero y-Intercept

Closed Captioned Video: Linear Functions: Negative Slope, Zero y-Intercept Video Tutorial: Linear Functions: Negative Slope, Zero y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a negative slope and a zero y-intercept.

Graphs of Linear Functions

Closed Captioned Video: Linear Functions: Positive Slope, Negative y-Intercept

Closed Captioned Video: Linear Functions: Positive Slope, Negative y-Intercept Video Tutorial: Linear Functions: Positive Slope, Negative y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a positive slope and a negative y-intercept.

Graphs of Linear Functions

Closed Captioned Video: Linear Functions: Positive Slope, Positive y-Intercept

Closed Captioned Video: Linear Functions: Positive Slope, Positive y-Intercept Video Tutorial: Linear Functions: Positive Slope, Positive y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a positive slope and a positive y-intercept.

Graphs of Linear Functions

Closed Captioned Video: Linear Functions: Positive Slope, Zero y-Intercept

Closed Captioned Video: Linear Functions: Positive Slope, Zero y-Intercept Video Tutorial: Linear Functions: Positive Slope, Zero y-Intercept. In this video tutorial, students learn the basics of linear functions in slope-intercept form. In particular, look at the case of a linear function with a positive slope and a zero y-intercept.

Graphs of Linear Functions

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Definition--Direct Variation

Definition--Direct Variation This is part of a collection of math definitions on the more general topic of linear functions and graphs. These downloadable images can easily be incorporated into a lesson plan.

Applications of Linear Functions

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