Algebra 1 Companion Book, Vol 1 – Summer Edition

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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