John is deciding on how many lecture courses to take for his first semester. If three courses are worth 12 credits and five cour

Question

3 years ago

6

John is deciding on how many lecture courses to take for his first semester. If three courses are worth 12 credits and five cour

ses are worth 20 credits, what is the rate of change of the number of credits per course?
4 credits per course

-4 credits per course

8 credits per course

-8 credits per course

Mathematics

2 answers:

r-ruslan [8.4K] · Answer 1 · 2022-05-31T10:55:15+03:00

r-ruslan [8.4K]3 years ago

8 0

4 credits per course

Alika [10] · Answer 2 · 2022-05-31T08:57:53+03:00

Alika [10]3 years ago

3 0

(3,12)(5,20)
rate of change (slope) = (y2 - y1) / (x2 - x1)
slope = (20 - 12) / (5 - 3)
slope = 8/2 = 4 credits per course