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Mathematics 17 Online
Astrid1:

@sNoWfLaKe0531

Astrid1:

Astrid1:

Help :<

snowflake0531:

e.e Remember what i said earlier rational: terminates or repeats / can be put into fraction

Astrid1:

So... \[\frac{ 13 }{ 3 } that's~rational\] So are the \[\sqrt{?}\] ?? And the irrational ones are the \[-77~and~0.1234 ?\]

snowflake0531:

-77 and 0.1234 can both be written in fraction form

snowflake0531:

also, whole numbers and decimals are rational

Astrid1:

So they're all rational? o:

snowflake0531:

no- square roots.... how can those rational most root stuff sin't but there's an exception -sqrt100, that's -10

Astrid1:

I thought- Well my math book said they were continuing.. or wait, nope thats what google said. So the \[\sqrt{37},\sqrt{100},-\sqrt{12}~are~all~Irrational?\]

snowflake0531:

sqrt37.. search it up, that's like a.... bizarre.... number thing but -sqrt100 is -10.... since sqrt 100 is 10, -sqrt100 is -10 -sqrt12 is also -2sqrt3

snowflake0531:

I have one suggestion for all of them, turn it into a decimal if it repeats or stops/terminates, it's rational

Astrid1:

Me struggling to understand thy speaker. Words confuse me. So I know we have to lower them to their lowest cost. \[\sqrt{100}=10\] \[\sqrt{37}= idk.\]\[\And 12\sqrt{2.3}\] Right?

snowflake0531:

yes altho it's not \[12\sqrt2.3\] it's \[-\sqrt12 = -2\sqrt3\]

Astrid1:

Ya ya.

snowflake0531:

So, which ones are rational, which ones are irritational

Astrid1:

Erm...

snowflake0531:

what is \[-\sqrt100\] what do you get when you simplify it

Astrid1:

Uhhh -10? Or is it 10? Or is it 5? o-o

Astrid1:

Or is it -5 o-o

snowflake0531:

it's -10 so, it's a whole number that's why -sqrt100 is a rational number xd

Astrid1:

Okk- o-o

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