5.

Which conditional and its converse form a true biconditional?

If x = 19, then 2x – 3 = 35.

If x = 3, then x2 = 9.

If x > 0, then > 0.

If x2 = 4, then x = 2.

3 answers

The second conditional and its converse form a true biconditional:

If x = 3, then x^2 = 9.
If x^2 = 9, then x = 3.
6.
Which choice shows a true conditional with the hypothesis and conclusion correctly identified?

Yesterday was Monday if tomorrow is Thursday.
Hypothesis: Tomorrow is Thursday.
Conclusion: Yesterday was Sunday.

If tomorrow is Thursday, then yesterday was Tuesday.
Hypothesis: Yesterday was Tuesday.
Conclusion: Tomorrow is not Thursday.

Yesterday was Tuesday if tomorrow is Thursday.
Hypothesis: Tomorrow is Thursday.
Conclusion: Yesterday was Tuesday.

If tomorrow is Thursday, then yesterday was Tuesday.
Hypothesis: Yesterday was Tuesday.
Conclusion: Tomorrow is Thursday.
The correct choice that shows a true conditional with the hypothesis and conclusion correctly identified is:

If tomorrow is Thursday, then yesterday was Tuesday.
Hypothesis: Tomorrow is Thursday.
Conclusion: Yesterday was Tuesday.