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Mathematics 7 Online
OpenStudy (anonymous):

Which of the following algebraic expressions can be used to express the statement "one less than x squared?" 1 − x2 x2 − 1 1 − 2x 2x − 1

OpenStudy (usukidoll):

less than is the subtraction sign .

OpenStudy (anonymous):

i know i think its b btw a is x^2 and b is too

OpenStudy (usukidoll):

I think order matters it's not like one of those subtract 6 from 7 and that ends up being written from right to left 7-6

OpenStudy (usukidoll):

one - x squared. one - x^2

OpenStudy (usukidoll):

1-x^2

OpenStudy (anonymous):

so A

OpenStudy (usukidoll):

OH I HATE THESE! NO you were right. These write from English to Math are always irritating XD

OpenStudy (usukidoll):

1-x^2 is actually x^2-1 you were right. less than or subtract x from y switches the order y - x would be correct in that example.

OpenStudy (anonymous):

(: thank you @UsukiDoll

OpenStudy (usukidoll):

:) I'm so glad this doesn't appear in higher level math XD

OpenStudy (anonymous):

Lol c:

OpenStudy (usukidoll):

I just remembered something... anything to do with subtraction like the terms "less than " or " subtract _______ from _________" it's backwards XD!. wow xD

OpenStudy (anonymous):

that is going to be so useful thank you!!! @UsukiDoll

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