Transcript Slopes (or steepness) of lines are used everywhere.

Rate of Change of a Linear
Relationship
run
rise
Rate of Change =
The rate of change of a linear relationship is
the ____________ of the line.
The steepness of
the roof of a house
is referred to as the
______ of the roof
by home builders.
Engineers refer to the
rate of change of a road as
the _______.
They often represent the rate of
change as a _____________.
100
8
A grade of 8% would mean for every
rise of 8 units there is a run of 100 units.
Rate of change =
= %
The steepness of wheelchair ramps is of
great importance for safety.
1
12
1
Rate of change of wheelchair ramp =
12
If the rise is 1.5 m, what is the run?
Answer: _____ m
Determine the rate of
change (pitch) of the
roof.
3m
5m
rateof change
______________________
Determine the rate of change of each
staircase.
rateof change

rateof change


3
2
3
3
Determine the rate of change.
E
a
r
n
i
n
g
s
Which points will
you use to
determine rise and
run?
4
rate of change
rise

run
20
Number of Hours Worked
What does this rate of
change represent?
____________________