Bounce height

Ropeti and Tina were investigating how high a ball would bounce when it was dropped from different heights. Here are their results:

Height ball dropped from (metres) 0 1 2 3 4 5
Height ball bounced (centimetres) 0 45 90 135 180 225

a)

Complete the line graph below to show their results.
 

b)

Write a label for the bottom axis.   ___________________________________ (         )

c)

What pattern do you notice between how high the ball bounced and the height it was dropped from?