What property is illustrated by each statement?
7 + (4 + 4) = (7 + 4) + 4
A. Inverse Property of Addition
B. Associative Property of Addition
C. Commutative Property of Multiplication
D. Commutative Property of Addition
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jhonyy9 (jhonyy9):
how do you think it ?
OpenStudy (anonymous):
what?
jhonyy9 (jhonyy9):
what will be the right answer ?
your opinion is ?
OpenStudy (anonymous):
honestly i have no idea ive never done this kind of math
jimthompson5910 (jim_thompson5910):
Ignore the names of the properties, what's going on in the equation 7 + (4 + 4) = (7 + 4) + 4
ie, what changes are occurring?
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OpenStudy (anonymous):
i dont know ive never done this before.
jimthompson5910 (jim_thompson5910):
compare
7 + (4 + 4)
(7 + 4) + 4
jimthompson5910 (jim_thompson5910):
the parenthesis are moving right?
OpenStudy (anonymous):
compare?
jimthompson5910 (jim_thompson5910):
do you see how the parenthesis are moving to go from 7 + (4 + 4) to (7 + 4) + 4
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OpenStudy (anonymous):
yea
jimthompson5910 (jim_thompson5910):
Are any terms being flipped (ie switching places)?
OpenStudy (anonymous):
i dont know what you mean
jimthompson5910 (jim_thompson5910):
say you have 1+2 flip to 2+1, if that happens, then you're using the Commutative Property
OpenStudy (anonymous):
i have no idea what your talking about but im going to guess its B?
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jimthompson5910 (jim_thompson5910):
you are correct
I would recommend reviewing/reading the properties of algebra (ie the rules used to solve equations and such) if you're not sure why the answer is B