@[email protected]M to Science [email protected]English • 9 months agoteachingsmander.xyzimagemessage-square65fedilinkarrow-up1763arrow-down115
arrow-up1748arrow-down1imageteachingsmander.xyz@[email protected]M to Science [email protected]English • 9 months agomessage-square65fedilink
minus-square@[email protected]linkfedilinkEnglish22•edit-29 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”
minus-square@[email protected]linkfedilinkEnglish4•9 months agoCool! Makes sense to me. Honestly, I’ve never done it this way, but it’s so clean. Love it. Thanks.
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”
Cool! Makes sense to me. Honestly, I’ve never done it this way, but it’s so clean. Love it. Thanks.