NZ Level 7 (NZC) Level 2 (NCEA)

Find the Equation of a Square Root Function

The square root function that has been graphed has an equation of the form $y=a\sqrt{x}$`y`=`a`√`x`.

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a

By using a point on the graph, solve for the value of $a$`a`.

b

Hence state the equation of the function.

Easy

Approx 2 minutes

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

Apply graphical methods in solving problems