5.1 Review Worksheet, Part 1 (continued)
30. The table shows the distance of an elevator from the ground floor at different times. Graph the data and show the rates of change. Times (s) 0 15 23 30 35 Distance (m.) 30 70 0 45 60
Find the slope of each line. 31. y
32.
y
4
4
(2, 4)
(–6, 3)
2
2
x
x
0
–4 –2
–6
–4
2
4
–2
–2
(–4, –2)
(1, –4)
–4
–4
33.
34.
y
y
4
4
2
2
(3, 0)
x
x
0
–4 –2
0
2
4
–4 –2
2
4
–2
–2
(3, –3)
(–2, –3)
(3, –3)
–4
Tell whether the slope of each line is positive, negative, zero, or undefined. 35. 36.
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