Interpreting graphs
Identify the situation that each graph could represent
The length of the necklace that you make at a rate of 10 cm per hour without taking a break
The height of a balloon as it raises, gets caught in a tree for a few minutes, and then continues to rise
The total distance you are from home if you ride your bicycle three miles per hour for one hour, and then stop and take a rest
The volume of water in a bath tub as it is draining
Graph 1: The length of the necklace that you make at a rate of 10 cm per hour without taking a break
- This graph would show a straight, diagonal line going upwards, representing a constant rate of necklace length increasing with time.
Graph 2: The height of a balloon as it raises, gets caught in a tree for a few minutes, and then continues to rise
- This graph would show an upward curve that increases to a certain point, then becomes a flat horizontal line for a short period of time (while the balloon is caught in the tree), and then continues to curve upwards after being freed from the tree.
Graph 3: The total distance you are from home if you ride your bicycle three miles per hour for one hour, and then stop and take a rest
- This graph would show a straight diagonal line going upwards for the first hour (representing the constant speed of your bike ride), then a flat horizontal line for the time during which you take a rest.
Graph 4: The volume of water in a bathtub as it is draining
- This graph would show a downward curve, representing the gradual decrease in water volume as the bathtub drains.