Question

Use two sets of coordinates to write an equation to describe the relationship.

Answer 1

Answer/Step-by-step explanation:

An equation that describes the relationship can be written as $y = mx$.

Using the two sets of coordinates, (2, 140) and (4, 280), calculate the slope (m) as shown below:

$\frac{y_2 - y_1}{x_2 - x_1} = \frac{280 - 140}{4 - 2} = \frac{140}{2} = 70$

Substitute m = 70 into $y = mx$

The equation would be:

$y = 70x$

This equation can be interpreted as follows:

The heart's resting rate is 70 beats each minute.