1 2 3 4 5 6 7 8 9 10

Time Remaining

02:59:34

Laura determined the difference between 8 and - 2 using the additive inverse. Her steps are shown below.

8 - (-2) = - 8 + 2 = - 6

Which best describes the error in Laura's work?

The 8 should have remained positive.

The 2 should have remained negative.

The addition of - 8 and 2 was computed incorrectly.

The 8 should have remained positive, and the 2 should have remained negative.

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Question

Declan Harrison

Mathematics

4 August, 04:44

1 2 3 4 5 6 7 8 9 10

Time Remaining

02:59:34

Laura determined the difference between 8 and - 2 using the additive inverse. Her steps are shown below.

8 - (-2) = - 8 + 2 = - 6

Which best describes the error in Laura's work?

The 8 should have remained positive.

The 2 should have remained negative.

The addition of - 8 and 2 was computed incorrectly.

The 8 should have remained positive, and the 2 should have remained negative.

Mark this and return

Save and Exit Next Submit

+2

Answers (1)

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Silas · Answer 1

The 8 should have remained positive.

Step-by-step explanation:

8 - (-2) = 8+2=10

Two negatives make a positive so 8 - (-2) will turn into 8+2.

Laura was wrong because she thought the 8 turned to a negative but that makes no sense.