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Home > GC > Chapter 5 > Lesson 5.1.4 > Problem 5-37


Find the equation of the line that has a slope angle and a -intercept at . Assume the line has a positive slope.  

Sketch a graph and a slope triangle for the line.

A second quadrant graph of a slope triangle. The slope angle is 33.7 degrees. A point on the line is (0, comma 7).

Use the tangent ratio to find the slope:

Once you know the slope and the -intercept, you can write the equation of the line. You use slope-intercept form .