Evaluate the expression if b = - 2. ?

2008-09-30 1:01 pm
|b|

-2

0

2

1

Which of the following is the correct answer?

回答 (11)

2008-09-30 1:33 pm
✔ 最佳答案
2..................
2008-09-30 8:03 pm
2
2008-09-30 8:06 pm
2

the absolute value |x| ignores the negative sign
2008-09-30 8:05 pm
2
2008-09-30 8:04 pm
|b| means the absolute value of b. So the answer is 2.
2008-10-04 6:58 pm
2
2008-09-30 8:35 pm
|b|
= |-2|
= +2 (positive 2)
2008-09-30 8:25 pm
2

here's the explanation:
IbI means absolute value of b or its distance from zero on the number line. if it's -2, then it's distance is still 2.
2008-09-30 8:08 pm
I agree with the others, it is 2.
2008-09-30 8:07 pm
If b= -2, then b does equal minus 2


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