Question

(05.05 MC)

The graph shows the depth, y, in meters, of a shark from the surface of an ocean for a certain amount of time, x, in minutes:

A graph titled Distance Vs. Time is shown. The x-axis is labeled Time in minutes and shows numbers 0, 1, 2, 3, 4, 5. The y axis is labeled Distance from Ocean Surface in meters. A straight line joins the points C at ordered pair 0,63, B at ordered pair 1, 105, A at ordered pair 2, 147, and the ordered pair 3,189.
Part A: Describe how you can use similar triangles to explain why the slope of the graph between points A and B is the same as the slope of the graph between points A and C. (4 points)
Part B: What are the initial value and slope of the graph, and what do they represent? (6 points)


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Answer 1

the product of the slopes of A⁢B↔ and the line perpendicular to A⁢B↔ through C is -1 in all cases. So, I can conclude that any two perpendicular lines have slopes that are negative reciprocals of each other.

Explanation:

I did it

Answer 2

a+b=ymx2 + a+b=ymx2
hope this helps