Question

Please help me with rate of change

A wrestler weigh 175 lbs of the beginning of a wrestling session. At the end of the wrestling season, 4 months later, he weighed 145 lbs. Find the rate of change for the weight of the wrestler. Include the label.

Answer 1

HI!!

Answer 2

HI! Haha

Answer 3

rate of change = slope of line

Answer 4

I like know how to do these, but this one in particular Im not understanding.

Answer 5

\[\frac{175-145}{4}\] in other words

Answer 6

ok i got that backwards

Answer 7

he lost weight \[\frac{145-175}{4}\] should be negative

Answer 8

units are "pounds per month"

Answer 9

Okay.

Answer 10

So then it will be -30/4

Answer 11

yeah, you might want to reduce the fraction or write as a decimal so i makes more sense

Answer 12

So its just asking how much weight he lost in 4 month period?

Answer 13

no

Answer 14

So he lost 30 pounds in 4 months?

Answer 15

Oh

Answer 16

he lost 30 pounds in 4 months
it is asking for the "average rate of change" i.e. "pounds per month"

Answer 17

Ohh

Answer 18

So 7.5 pounds each month? Well 7 1/2

Answer 19

Hello? Is that right?