Question

Which are correct statements regarding proofs? Select three options.

In a paragraph proof, statements and their justifications are written in sentences in a logical order.
A two-column proof consists of a list statements and the reasons the statements are true.
A flowchart proof gives a visual representation of the sequence of steps without justifications.
A flowchart proof is a visual way of describing the statements and reasons for a proof.
A two-column proof lists only the given information and what is to be proven.

Answer 1

Correct choices: 1, 2, and 4.

Brief reasons:
- Paragraph proof: true — statements and justifications are written in sentences in logical order.
- Two-column proof: true — it lists statements with the corresponding reasons.
- Flowchart proof: true — it's a visual way to show statements and reasons (it usually includes justifications, contrary to option 3).
- Options 3 and 5 are false.