A submarine is descending to examine the seafloor 2,100 feet below the surface.
It takes the submarine 2 hours to make this descent.
Write an equation to represent the relationship between the submarine's elevation and time. Use y to represent the elevation and x represents the hour.
Answers
Given : A submarine is descending to examine the seafloor 2,100 feet below the surface.
It takes the submarine 2 hours to make this descent.
To Find : an equation to represent the relationship between the submarine's elevation and time
Solution:
x = time
y = elevation
At x = 0 , y = 0
It takes the submarine 2 hours to make descent of 2100 ft
=> x = 2 , y = - 2100
Slope = ( -2100 - 0)/(2 - 0) = -1050
y - 0 = -1050 ( x -0)
=> y = -1050x
1050x + y = 0
represent the relationship between the submarine's elevation and time.
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