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2.09 Completing the square

Interactive practice questions

Find the missing values in this perfect square:

$x^2+4x+\editable{}=\left(x+\editable{}\right)^2$x2+4x+=(x+)2

Easy
< 1min

What term must we add to complete the square on $x^2+10x$x2+10x?

Easy
< 1min

Determine the value of $c$c, the constant that should be added to $x^2-2x$x22x to make it a perfect square expression.

Easy
< 1min

Complete the following so that it forms a perfect square

Easy
< 1min
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Outcomes

II.A.SSE.3.b

Complete the square in a quadratic expression to reveal the maximum or minimum value of the function it defines.

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