5.1 Review Worksheet, Part 2
5.1.4 The Slope Formula Find the slope of the line that contains each pair of points.
1. (2, 5) and (3, 1)
2. ( − 9, − 5) and (6, − 5)
3. (3, 4) and (3, − 1)
Each graph or table shows a linear relationship. Find the slope.
4.
5.
y
x y 1 18.5 2 22 3 25.5 4 29
4
(0, 2)
2
x
0
–4 –2
2
(4, –1)
–2
Find the slope of each line. Then tell what the slope represents.
6.
7.
Boiling Point of Water
Temperature Conversion
y
y
10
208 206 210 212 214
x
0
–40
–20
(5, –15)
–40
x
( –40 , –40 )
–1000
0 1000 2000
Temperature (°F)
Altitude above sea level (ft)
264
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