Interactive: Proof Basics

Question 1

What is the missing reason for line 3 in this proof? Given: ; ; Prove: Statement Reason 1. ; ; 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8.

Revolt · Accepted Answer

substitution property of =

Question 2

What is the missing reason for line 2 in this proof? Given: ; ; Prove: Statement Reason 1. ; ; 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8.

Revolt · Accepted Answer

segment addition postulate

Question 3

What is the missing reason for line 5 in this proof? Given: ; ; Prove: Statement Reason 1. ; ; 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8.

Revolt · Accepted Answer

division property of =

Question 4

What is the missing reason for line 8 in this proof? Given: ; ; Prove: Statement Reason 1. ; ; 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8.

Revolt · Accepted Answer

multiplication of real numbers

Interactive: Proof Basics Answers