Advanced Math practice question

Answer: 8

√50 = 5√2 and √18 = 3√2, so the sum is 8√2.

Common wrong answers

If you answered 15

15 multiplies 5 and 3 instead of adding.

If you answered 34

34 is half of 68, still adding under the root.

If you answered 68

68 is 50 + 18; radicals do not add under the root.

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