SAT Prep | Positive and Negative Numbers

The absolute value of a number is represented by two vertical lines around the number and is equal to the given number, regardless of sign.

The absolute value of a real number A is defined as follows:

A) To add two numbers with like signs, add their absolute values and write the sum with the common sign. So,

6 + 2 = 8, (–6 ) + (–2) = –8

B) To add two numbers with unlike signs, find the difference between their absolute values, and write the result with the sign of the number with the greater absolute value. So,

(–4) + 6 =...

Get SAT Prep:

The above is a free excerpt. Get complete access to the SAT eBook with the:

eNotes SAT Pass

Dictionary Tip:

Lookup any word on eNotes with our dictionary. Highlight the word and press SHIFT + D for a definition, or SHIFT + T for a synonym.