(;) Semicolon Math: Test contest

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The contest is over, but you can view and submit the problems unofficially.
Note on announcements / View scoreboard / Problem 1 (u) / Problem 2 (u) / Problem 3 (u) /

Note 's' means solved and 'u' means unsolved.

Announcements

Announcements are available on our Discord server.

They will only be regarding technical issues.

We will post fixes to any problems AFTER the contest has finished, to make it fair to everyone. The fixes will be available in the problem statements.

Tip: After submitting an answer, please wait for at least 15 seconds for the website to load and return your verdict. DO NOT refresh the page.

Problem 1: [test] Simple addition problem

Problem status: not solved

Value (if solved during a running contest): 100

What is \(9 + 15\)?
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Problem 2: [test] Simple geometry problem

Problem status: not solved

Value (if solved during a running contest): 100

What is the area of square \(ABCD\) if the side length is 5?

Simple diagram of a square
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Problem 3: [test] Problem with negative answer

Problem status: not solved

Value (if solved during a running contest): 100

Problems can have integer answers (including negative integers). Find the value \(x\) such that \(x^2 + 2x + 1 = 0\).
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