Math 30-2 Diploma Practice Questions - Alberta Diploma Examination - Mathematics 30-2 Exam

A conjecture states: 'The sum of two odd numbers is always odd.' Which choice is a valid counterexample?

3 + 5 = 8 Both 3 + 5 = 8 and 1 + 1 = 2 disprove it 1 + 1 = 2 2 + 4 = 6

Correct Answer:

Both 3 + 5 = 8 and 1 + 1 = 2 disprove it

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