16Hit1600
Advanced MathEasyLarger solution of a quadratic with a zero root

Advanced Math practice question

The equation x² = 5x has two solutions. What is the larger of the two?

Answer: 5

x² − 5x = x(x − 5) = 0, so x = 0 or x = 5. The larger is 5.

Common wrong answers

If you answered 0
0 is the smaller solution.
If you answered 25
25 is 5², not a solution.
If you answered 2.5
2.5 halves 5.

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