Interactive practice questions
Solve the equation $x^2=25$x2=25.
Write all solutions on the same line, separated by commas.
Easy
< 1min
Solve for $x$x:
$x^2-25=0$x2−25=0
Easy
< 1min
A quadratic equation has solutions $x=\pm5$x=±5. What must the equation be?
Easy
< 1min
How many real solutions does the following equation have?
Easy
< 1min
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