SOLUTION: A zip line is a taut rope or cable that you can ride down on a pulley. The zip line at the right goes from a 9 foot tall tower to a 6 foot tall tower. The towers are 20 feet apart.

Question 255984: A zip line is a taut rope or cable that you can ride down on a pulley. The zip line at the right goes from a 9 foot tall tower to a 6 foot tall tower. The towers are 20 feet apart. What is the slope of the zip line?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The same as the slope of a line that passes through the points (0,9) and (20,6) [Presuming the 9ft tower to the left of the 6ft tower, (0,6) and (20,9) otherwise]. Use the slope formula:

John

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