iGCSE (2021 Edition)
18.03 Completing the square (Extended)
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 $x^2-2x$x2−2x 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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