New Zealand
Level 7 - NCEA Level 2

# Graphing Cubic Functions

## Interactive practice questions

Consider the cubic function $y=x^3$y=x3

a

Complete the following table of values.

 $x$x $y$y $-2$−2 $-1$−1 $0$0 $1$1 $2$2 $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$
b

Plot the points in the table of values. (Note: Do not plot the curve yet).

c

Hence plot the curve.

Easy
Approx 2 minutes

Consider the cubic function $y=2x^3$y=2x3

Consider the cubic function $y=-x^3$y=x3

Consider the cubic function $y=-\frac{1}{2}x^3$y=12x3

### 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