Instructions:

  1. Click the "New Graph" button.

  2. Use the two pieces of information given to find the equation of the line.

  3. In the equation box, enter the equation of the line in either slope intercept form 
            y = mx+b
    or if there is no slope, in the form 
            x = a
    Examples: y = 1/3x - 4, x = 3/2, y = -x

  4. Click the "check" button.


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Written Exercises

Describe how you would find the equation of a line given

  1. Two points.

  2. A point and the slope.

  3. A point and the y-intercept.

  4. A point and the x-intercept.

  5. The x-intercept and the y-intercept.

Information about Equations of Lines

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