Question

Tim’s weight was 320 pounds in 2010 and is 180 pounds in 2020. What is the slope?

Answer 1

-14

Explanation:

We have two points

(2010, 320) and ( 2020, 180)

The slope is

m= ( y2-y1)/(x2-x1)

= ( 180-320)/(2020-2010)

= -140/10

= -14 lbs/ year