The table shows the depth of a submarine over a 2 hour period. Did the sub go up or down?By how much?

Mathematics

2 answers:

hichkok12 [17]3 years ago

4 0

If the sub is closer to the surface later, we thus know that it traveled upwards.

trapecia [35]3 years ago

3 0

It went up 121 feet in two hours. If you think about it the higher number of depth is the lower it is in the water. Was the divide a part of that equation?

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AleksAgata [21]

First, let's find the slope of the line using the slope formula, which is:

$m = \dfrac{y_2 - y_1}{x_2 - x_1}$

(( $x_1$ , $y_1$ ) and ( $x_2$ , $y_2$ ) are points on the line)

In context of this problem, we can use the formula to find the slope of the line between the two points:

$m = \dfrac{-2 -6}{7 - (-1)} = \dfrac{-8}{8} = -1$

Now, we can use the slope in the point-slope formula, which will help us find the final equation of the line. (For reference, the point-slope formula is $(y - y_1) = m(x - x_1)$ where ( $x_1$ , $y_1$ ) is a point on the line)