Distance Traveled vs. Price of Airfare from NYC
Price of Airfare
u = 200 + 0.3x
000
2500
Distance Traveled
a) The y-intercept represents the base price of $
for airfare from
NYC
b) The slope represents a cost of
cents per mile traveled
c) According to the equation given, someone who traveled 2.000 miles from NYC would pay $
for their airfare
a) According to the equation given, someone who paid $500 for airfare from NYC would have
traveled
mles
e) If the base cost for airfare changed to $50 and the cost per mile is unchanged, the new
4
equation would be
#1000
y = 50 + 0.3x
#800
# 200
#30
y = 30 + 0.5x
a) The y-intercept represents the base price of $200 for airfare from NYC.
b) The slope represents a cost of 30 cents per mile traveled.
c) According to the equation given, someone who traveled 2,000 miles from NYC would pay $800 for their airfare.
d) According to the equation given, someone who paid $500 for airfare from NYC would have traveled (500-200)/0.3 = 1000 miles.
e) If the base cost for airfare changed to $50 and the cost per mile is unchanged, the new equation would be y = 50 + 0.3x.