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# Working With the Equations of a Line

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Author: Shirley Beil
##### Description:

There are three basic forms of the line equation:

1.  General  Equation:    Ax + By + C = 0  where A,B, and C are constants for which A and B are not both equal to zero.

2.  Point - Slope Equation:     (y - y1) = m(x - x1)  where x1, y1, and m are constants; (x1,y1) is a point on the line and m is the slope.

3.  Slope-Intercept Equation:  y = mx + b  where m and b are constants and b is the y-intercept.

(more)

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Tutorial

This video will be available with closed captioning at:

http://youtu.be/vU7jEcP44EA

## Find an Equation of the Line with Slope 2/5 and y-Intercept 6.

This video will be available with closed captioning at:

http://youtu.be/f226Nr1MiBE

## Find an Equation of the Line Through (-4,6) with Slope -1

This video will be available with closed captioning at:

http://youtu.be/Pw4o1X-Fp_8

## Find an Equation of the Line Through (-5,4) with Slope 3/2

This video will be available with closed captioning at:

http://youtu.be/kD1QOzBctAU

## Graph the Line Through (-5,4) with Slope 3/2 Using WebAssign

This video will be available with closed captioning at:

http://youtu.be/fBXen4BmfOs

## Find an Equation of the Line Through (-1,-3) and (4,2)

This video will be available with closed captioning at:

http://youtu.be/sdo5lJNc41s

## Find an Equation of a Line Given its Graph

This video will be available with closed captioning at:

http://youtu.be/HA1MKpjSGAQ

## Find an Equation of the Horizontal Line Through (2,9)

This video will be available with closed captioning at:

http://youtu.be/T0-1h9f1OcA

## Find the Slope and y-Intercept of the Line x = -8 and Draw its Graph.

This video will be available with closed captioning at:

http://youtu.be/GEWb1PqjlTc

## Find the Equation of the Line with y-Int 5 & Parallel to the Line 4x + 5y + 8 = 0

This video will be available with closed captioning at:

http://youtu.be/fiCvpBNX_FU