Algebra I: Calculating equation of a line from point and intercept
This is a free lesson from our course in Algebra I
 
   
This lesson explains how to determine the equation of a line from a point and an intercept. It also explains how to find the equation of a line for which both the x-intercept and the y-intercept are given.
Generally speaking, if y-intercept = c and point (a, b), then the equation is:
               y = [{(b - c)x}/a ] + c.
Note that if x-intercept = d and y-intercept = c, you can still use the above rule. If you think about the x-intercept which is d, it basically means the line passes through the point (d, 0). Hence, in this case, you have a line with y-intercept = c and passing through point (d, 0). Using the rule from above, the equation for this line is:
               y = [{(0 - c)x}/d] + c , i.e.,
               y = (-cx/d) + c.
<h2>Algebra I - Calculating equation of a line from point and intercept</h2> <p>equation, x intercept, slope, y intercept, point, slope, line, finding, passing through, online math, slope line, algebra help, equation of a line, practice questions, quizzes</p> <p>How to find the equation of a line for which both the x-intercept and the y-intercept are given. if y-intercept = c and point (a, b), then the equation is: y = [{(b - c)x}/a ] + c.</p>
Other useful lessons:
Calculating equation of a line from point and slope
Calculating equation of a line from two points
Calculating equation of a line from slope and intercept
Determine whether a point lies on a line
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