16
QuizMultiple Choice

Introduction to Proof

Question 16 • (A. Costello)WCA 5324 Geometry 1st Nine Weeks 26-27

A two-column proof

Answer
A
uses a visual representation of the logical flow of steps needed to reach a conclusion.
B
contains a table with a logical series of statements and reasons that reach a conclusion.
C
contains a set of sentences explaining the steps needed to reach a conclusion.
D
uses inductive reasoning to prove a statement.

Explanation

A two-column proof organizes an argument in a table: one column lists the statements, and the other gives the reason for each statement. The statements and reasons form a logical sequence that leads to the conclusion. Choice B describes this format.

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