Common-Core/ Grade 9
Maths MCQ Based On Counterexamples
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Common-Core Grade 9 - 9 Counterexamples
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Use the definition of counterexample to answer this question.
A conditional statement can be expressed as If X, then Y.
X is the hypothesis and Y is the conclusion.
A counterexample is an example in which the hypothesis is true, but the conclusion is false. If you can find a counterexample to a conditional statement, then that conditional statement is false.
A conditional statement can be expressed as If X, then Y. X is the hypothesis and Y is the conclusion. A counterexample is an example in which the hypothesis is true, but the conclusion is false. If you can find a counterexample to a conditional statement, then that conditional statement is false.
Find a number that is composite but p+1 is not a prime number.
A conditional statement can be expressed as If X, then Y.
X is the hypothesis and Y is the conclusion.
A counterexample is an example in which the hypothesis is true, but the conclusion is false. If you can find a counterexample to a conditional statement, then that conditional statement is false.
Check which of the given options has handles but is not a bag
A conditional statement can be expressed as If X, then Y.
X is the hypothesis and Y is the conclusion.
A counterexample is an example in which the hypothesis is true, but the conclusion is false. If you can find a counterexample to a conditional statement, then that conditional statement is false.
A fruit which is red but not apple.
Check which of the given appliance could be used to watch a movie or a video but is not a TV.
Find which of the given option have legs but not an animal
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