Question

A. Identify the constant of proportionality

B: explain what the point (8,28 means in the terms of the graph look at the units use a complete sentence . Please show ur work because I have too !!

Answer 1

(A) 3.5 = constant of proportionality

(B) The point (8, 28) means that in 8 minutes, the water level reaches 28 cm.

Explanation:

We know from the problem that water level is directly proportional to time (when you simply see proportional and no other words (e.g., directly or inversely), you can assume it's directly proportional).

(A) The general equation for direct proportionality is

`y=kx`, where k is the constant of proportionality.

Thus, with the equation y = 3.5x, 3.5 is k or the constant of proportionality.

(B). At (8, 28) the x-coordinate (representing time in minutes) is 8 and the y-coordinate (representing water level in cm) is 28.

Thus, the water level in 8 minutes reaches 28 cm.