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Mathematics 19 Online
OpenStudy (anonymous):

What is the value of |x| + y when x = –3 and y = 15? A. –18 B. –12 C. 12 D. 18

OpenStudy (igreen):

|x| + y |-3| + 15 The absolute value sign will make it positive: 3 + 15 Add: 18

OpenStudy (ahsome):

@iGreen, why would we write |x|, not just x?

OpenStudy (igreen):

The equation gives us |x|..

OpenStudy (igreen):

The '|' signs indicate Absolute value, when it is over one term, it becomes positive no matter what.

OpenStudy (ahsome):

OH, thank you. That makes sense

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