The height of a plant is measured every day. This graph shows the results. How do you know that the plant grows the same amount each day?

In the above graph, x ‐ axis represent time(days). y ‐ axis represent height( cm ). In the above graph, the point A ( 10 , 12 . 5 ) represents the height of the plant after 10 days. y ‐ coordinate when x ‐ coordinate is 10 = 12 . 5 . Therefore, the height of the plant after 10 days is 12 . 5 cm . Initial height of the plant = 10 cm Growth of the plant in 10 days = ( 12 . 5 - 10 ) cm = 2 . 5 cm Growth of the plant in 1 day = 2 . 5 10 cm = 0 . 25 cm The plant grows 0 . 25 cm each day. Therefore, we know that the plant grows the same amount each day because the plant grows 0 . 25 cm in one day.

The height of a plant is measured every day. This graph shows the results. How much does the plant grow each day?

In the above graph, x ‐ axis represent time(days). y ‐ axis represent height( cm ). In the above graph, the point A ( 10 , 12 . 5 ) represents the height of the plant after 10 days. y ‐ coordinate when x ‐ coordinate is 10 = 12 . 5 . Therefore, the height of the plant after 10 days is 12 . 5 cm . Initial height of the plant = 10 cm Growth of the plant in 10 days = ( 12 . 5 - 10 ) cm = 2 . 5 cm Growth of the plant in 1 day = 2 . 5 10 cm = 0 . 25 cm Therefore, the plant grows 0 . 25 cm each day.