Anmy

One three consecutive passes, a football team gains 5 yards, loses 11 yards, and gains 16 yards. What is the total net yardage?

Here's one we haven't worked with before: A circular oil slick of uniform thickness is caused by a spill of 1 cubic meter of oil. The thickness of the oil is decreasing at the rate of 0.1 cm/hr as the slick spreads. (Note: 1 cm = 0.01 m.) At what rate is...

So the point slope form does not apply to this problem?