The rate of change, or slope, can be calculated using the formula:
slope = (y2 - y1) / (x2 - x1)
In this case, the points are (3,8.25) and (6,16.50). So:
slope = (16.50 - 8.25) / (6 - 3)
slope = 8.25 / 3
slope = 2.75
Therefore, the rate of change in the purchase price is $2.75 per pound.
Slope in Real-World Problems Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
5 of 55 of 5 Items
Question
A linear graph of the cost of broccoli in dollars per pound has the points (3,8.25)
and (6,16.50)
. What is the rate of change in the purchase price in dollars per pound?(1 point)
$
per pound
1 answer