NZ Level 7 (NZC) Level 2 (NCEA)
Find the equation of a cubic function

## Interactive practice questions

The curve has equation of the form $y=ax^3$y=ax3. By using a point on the curve,

a

find the value of $a$a

b

determine the equation of the curve

Easy
Approx a minute

The diagram shows the graph of the cubic function $f\left(x\right)$f(x).

State the equation of the cubic function.

State the equation of the cubic function.

### Outcomes

#### M7-2

Display the graphs of linear and non-linear functions and connect the structure of the functions with their graphs

#### 91257

Apply graphical methods in solving problems