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Reading linear relation graphs
- Lesson: 1a1:37
- Lesson: 1b1:36
- Lesson: 1c2:03
- Lesson: 2a1:29
- Lesson: 2b4:08
- Lesson: 2c1:02
- Lesson: 3a2:51
- Lesson: 3b1:35
Reading linear relation graphs
Lessons
- 1.
The table below shows the relation of working time and the amount of money that John earns.
Time, t (hour)
1
2
3
4
5
6
Amount of money, m (dollar)
10.5
21
31.5
42
52.5
63
a)Plot the data above on a graph.b)From the graph, how much money can John earn after working for 3.5 hours?c)From the graph, how long does John need to work in order to make 50 dollars? - 2.
The table below shows the distance of a scuba diver diving underwater in relation to time.
Time, t (minute)
10
15
20
25
30
35
Distance from water surface, f (feet)
- 15
- 22.5
- 30
- 37.5
- 45
- 52.5
a)Plot the data above on a graph.b)From the graph, what is the distance of the diver from water surface after diving for 40 minutes?c)From the graph, what is the time when the diver is - 35 feet from water surface? - 3.An online clothing company can earn $4 for every t-shirt they sell.
a)How much can the company earn by selling 55 t-shirts?b)How many t-shirts does the company need to sell so that they would earn $200?