Use graphs of linear and quadratic functions to estimate output values for given inputs, find approximate solutions to equations, and interpret graphical information in real-world contexts
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Question 1 of 3
The graph below shows how far a cyclist has travelled over time. The points on the graph are: (0 min, 0 km), (2 min, 4 km), (4 min, 8 km) and (6 min, 9 km). Between each pair of points the line is straight. Approximately how many minutes does it take the cyclist to travel 7 km?
Question 2 of 3
The graph below shows how far a toy car has traveled after each second. The points on the graph are (0,0), (2,4), (4,10), and (6,12). Using the graph, what is the approximate distance the car has traveled after 5 seconds?
Question 3 of 3
A graph plots temperature (°C) on the vertical axis against time (minutes) on the horizontal axis. The graph is made of straight line segments connecting the points (0,20), (5,30), (10,45), and (15,55). Approximately what temperature will the water be at 8 minutes?
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