No student devices needed. Know more
15 questions
Which is a counterexample to the following statement?
If LM≅MN , then M is the midpoint of LN .
None of these
Which is a counterexample to the following statement?
If two angles add up to 180° , then they are a linear pair.
None of the above
Which is a counterexample to the following statement?
If you add two numbers, then the sum is odd.
2+5=7
3+2=5
1+8=9
2+4=6
Which is a counterexample to the following statement?
If a number is prime, then it is odd.
29
5
2
1
A counterexample is an example that proves a conjecture to be true.
True
False
To fully disprove a conjecture, one needs to find only ONE counterexample.
True
False
Write the statement below as a conditional statement.
Vertical Angles are congruent
Two angles are vertical if and only if they are congruent.
If two angles are congruent, then they are Vertical.
If two angles are Vertical, then they are congruent.
For a conjecture to be true, it must be true...
in most cases.
in all cases.
on Thursday mornings.
at least once.
What is a counterexample?
A generalism that cannot be applied to a specific case
A specific case that help to prove a conjecture
A general case that is supported by specific examples
A specific case for which a conjecture is false
Explore all questions with a free account