Slope Intercept Form Worksheet Page 15

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(
)
4. Graph the ordered pairs
. Draw the line of best fit and find an equation of the line.
, d y
( )
4
10
40
35
25
35
20
Diameter of tree trunk
d
( )
1
5
20
15
10
15
20
Age
y
y
Find the equation of your line below:
x
5. A motel owners’ association compared the prices of motel rooms in and near a small city.
( )
Each ordered pair represents the distance
in miles a motel is from the center of the
d
( )
(
)
city and the cost
of a motel room for one person. Graph the ordered pairs
.
c
, d c
Draw the line of best fit and find an equation of the line.
( )
1
2
2
3
3
4
5
5
6
Distance in miles
d
( )
$80
$75
$55
$60
$45
$55
$40
$50
$35
Cost
c
y
Find the equation of your line below:
x

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