Question

which are correct statements regarding proofs? choose three correct answers.
a flowchart proof is a visual way of describing the statements and reasons for a proof.
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 two - column proof lists only the given information and what is to be proven.

Explanation:

1. A flowchart proof uses visuals to show statements and reasons, so this is correct.
2. Paragraph proofs present statements and justifications in logical sentences, correct.
3. Two - column proofs have statements and their reasons, correct. The other two are incorrect (flowchart proof has justifications; two - column proof has more than given and to - prove).

Answer:

• A flowchart proof is a visual way of describing the statements and reasons for a proof.
• 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.