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kumpel [21]
3 years ago
12

3. A group of workers is harvesting berries at a constant rate. An equation that represents the number of baskets of berries the

workers picked over a period of time, in hours, is y = 2x + 15. (a) What are the slope and the y-intercept for the equation that represents the number of baskets of berries the workers picked over a period of time? (b) What are the rate of change (slope) and the initial amount (y-intercept)? Explain the meaning of the rate of change and the initial amount for the situation. Answer in complete sentences
Mathematics
1 answer:
grin007 [14]3 years ago
6 0

In y = mx + b form, the slope can be found in the m position and the y intercept can be found in the b position.



y = mx + b


y = 2x + 15


slope(m) = 2 and y int (b) = 15



The initial amount is the y intercept, which is 15. The rate of change (the slope) is 2


example :  


baskets picked in 1 hr :


y = 2(1) + 15


y = 2 + 15


y = 17



baskets  picked in 2 hrs :


y = 2(2) + 15


y = 4 + 15


y = 19



so the slope ( rate of change) is basically saying for every hr of picking, you pick 2 baskets...so your picking 2 baskets per hr.


The y intercept (15) is telling us that they already had 15 baskets to start with.

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