Word problems using point-slope form
when a word problem involves a constant rate or speed and gives a relationship at some
point in time between each variable, an equation can be written in point-slope form to model the
relationship.
4. while on vacation in washington dc, the cab ride for the dulles airport to the hotel is 15 miles. the
total cost of the cab ride was $25.50. the cabbie charges $1.50 per mile for the entire trip.
a. write an equation to that can be used to determine how much a cab ride would cost anywhere
in washington dc.
b. what is the flat rate of the cab ride?
c. how much does it cost to travel 7 miles in a cab?