Unit 8 - Lesson 3

Today's lesson taught how to write equations for vertical and horizontal lines.

For vertical lines, the slope is underfined and the equation is of the form

x=c, where c is where the line crosses the x-axis.

For horizontal lines, the slope is zero and the equation is of the form:

y=b, where b is where the line crosses the y-axis.

Please comment on something you learned today or something you want to learn now that you have mastered this lesson.