NZ Level 5
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Solving very simple quadratics

Interactive practice questions

Solve the following equation for $x$x:

$x^2=25$x2=25

Write all solutions on the same line, separated by commas.

Easy
Less than a minute
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Solve the following equation for $x$x:

$x^2=81$x2=81

Solve for $x$x:

$x^2-25=0$x225=0

How many real solutions does the equation $x^2+64=0$x2+64=0 have?

Outcomes

NA5-7

Form and solve linear and simple quadratic equations

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