Lesson: Geometry Challenging - 29t01

Finding The Equation Of The Line

[Page 29 of 32]

Task: Find the equation of the line on the coordinate plane below. Type your answer into the text box, and then click Continue.

The equation is =

We need to find the slope, and then we can find the y-intercept. The slope is . For every 8 units to the right, the line climbs 15 units upward.

To find the y-intercept, we can move 6 units to the right from the point marked (–6, –1) toward the y-axis, to determine our y-value. We also move up as we do so. Moving up and 6 to the right gives us the y-intercept of .

So the equation of the line is .

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