Linear equations word problems: volcano (Full video)

Khan Academy

Supporting grades: 8

Description: Sal finds the y-intercept and the slope of a linear relationship representing someone climbing a volcano. He then interprets what the y-intercept and the slope mean in that context. Created by Sal Khan. Zane is a dangerous fellow who likes to go rock climbing inside an active volcano. Zane's elevation relative to the edge of the inside of the volcano in meters, E, as a function of time in seconds is shown in the table below. And let's say that this right over here is Zane.

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