20-04-2016
Mathematics

Answered

What is the value of the expression |x – y| when x = –7 and y = –7?

A.

0

B.

14

C.

49

D.

–14

Verified Answer :

Anonymous Anonymous

20-04-2016

Work is attached. :D

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Willchemistry Willchemistry

20-04-2016

if x = -7 and y = - 7

Therefore:

I -7 - (-7) I

Apply rule - ( -a ) = a

I - 7 + 7 I = 0

answer a

hope this helps!

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