fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 4 months agoteachingsmander.xyzimagemessage-square34fedilinkarrow-up176arrow-down10
arrow-up176arrow-down1imageteachingsmander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 4 months agomessage-square34fedilink
minus-squareh3ndrik@feddit.delinkfedilinkEnglisharrow-up1·edit-24 months agox^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”
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”