this post was submitted on 17 Apr 2024
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Science Memes

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Welcome to c/science_memes @ Mander.xyz!

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teachings (mander.xyz)
submitted 7 months ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 21 points 7 months ago* (last edited 7 months ago) (1 children)

x^2 = 9

<=>

|x| = sqrt(9)

would be correct. That way you get both 3 and -3 for x.

That's the way your math teacher would do it. So the correct version of the statement in the picture is: "if x^2 = 9 then abs(x) = 3"

[โ€“] [email protected] 4 points 7 months ago

Cool! Makes sense to me. Honestly, I've never done it this way, but it's so clean. Love it. Thanks.