NZ Level 7 (NZC) Level 2 (NCEA)
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Transformations on quadratic graphs

Interactive practice questions

Consider the function $y=2x^2$y=2x2

a

Complete the following table of values.

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

Plot the graph.

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c

For $y=ax^2$y=ax2, as $a$a increases, how does it change the graph of $y=x^2$y=x2?

Widens the graph

A

Narrows the graph

B

Reflects the graph across the $x$x-axis

C

Shifts the graph vertically

D

Widens the graph

A

Narrows the graph

B

Reflects the graph across the $x$x-axis

C

Shifts the graph vertically

D
Easy
Approx 3 minutes
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This is a graph of $y=x^2$y=x2.

Consider the function $y=\left(x-6\right)^2$y=(x6)2.

This is a graph of $y=x^2$y=x2.

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

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