UK Secondary (7-11)
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Solve quadratics by algebraic manipulation

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

If $u^2=d$u2=d, what does the square root property state that $u$u is equal to?

A quadratic equation has solutions $x=\pm5$x=±5. What must the equation be?

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