Question
Ryiaz claims it is impossible to prove that a rational number multiplied by an irrational number gives an irrational product. How can you prove this?(1 point)
Responses
He’s correct; it is impossible to prove in any way.
He’s correct; it is impossible to prove in any way.
by using a proof by contradiction to show multiplication is a closed operation for rational numbers
by using a proof by contradiction to show multiplication is a closed operation for rational numbers
by creating a proof that shows directly how multiplying a rational and irrational number leads to an irrational answer
by creating a proof that shows directly how multiplying a rational and irrational number leads to an irrational answer
by choosing random numbers to plug into multiplication problems until he’s convinced
Responses
He’s correct; it is impossible to prove in any way.
He’s correct; it is impossible to prove in any way.
by using a proof by contradiction to show multiplication is a closed operation for rational numbers
by using a proof by contradiction to show multiplication is a closed operation for rational numbers
by creating a proof that shows directly how multiplying a rational and irrational number leads to an irrational answer
by creating a proof that shows directly how multiplying a rational and irrational number leads to an irrational answer
by choosing random numbers to plug into multiplication problems until he’s convinced
Answers
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by using a proof by contradiction to show multiplication is a closed operation for rational numbers