Interactive practice questions
Emma is gathering data on the growth of her plant. The table below shows the data she has collected so far.
| Day ($d$d) | $2$2 | $4$4 | $6$6 | $8$8 |
|---|---|---|---|---|
| Height of plant ($h$h cm) | $6$6 | $10$10 | $14$14 | $18$18 |
Plot the given data in the table on the number plane.
Is this relationship linear?
Yes
No
Draw the line that connects the points.
According to the graph, how tall was the plant when she started tracking the growth (day $0$0)?
According to the graph, how tall will the plant be on day $12$12?
According to the graph, on which day will the plant be $18$18cm tall?
What is the rule that connects the height, $h$h, to the day, $d$d, of tracking?
A dam used to supply water to the neighboring town had the following data recorded for its volume over a number of months.
When a plane is coming in to land, the pilot requires the plane to lose altitude at a rate of $5$5 metres per second. At the beginning of a particular descent the plane starts at an altitude of $8500$8500 metres.
Chirping crickets can be an excellent indication on how hot or cool it is outside. Different species of crickets have different chirping rates but for a particular species the following data was recorded.