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Algebra 11 Online
OpenStudy (kaley246):

i need help

OpenStudy (ilovecake):

ok

OpenStudy (kaley246):

Simplify:\[4\sqrt{5}-6\sqrt{3}+8\sqrt{5}\]

OpenStudy (ilovecake):

oh man I am terrible at this kind of math. @SolomonZelman

OpenStudy (kaley246):

\[A. -2\sqrt{5}+8\sqrt{3}\] \[B. 12\sqrt{5}-6\sqrt{3}\] \[C. 6\sqrt{15}\] \[D. 6\sqrt{7}\]

OpenStudy (ilovecake):

Maybe iGreen can help

OpenStudy (ilovecake):

@iGreen

OpenStudy (kaley246):

@iGreen can u help me with this question

OpenStudy (igreen):

Just combine the like square roots

OpenStudy (igreen):

\(4 \sqrt 5 + 8 \sqrt 5 \rightarrow 4 + 8 \sqrt 5\)

OpenStudy (kaley246):

can u do the work and then i can do it so that i can see what u got

OpenStudy (kaley246):

i got for the first one i got 19.13

OpenStudy (kaley246):

what did u get

OpenStudy (kaley246):

@iGreen help

OpenStudy (ilovecake):

He went offline..

OpenStudy (kaley246):

@SolomonZelman

OpenStudy (kaley246):

@khalilforthewin

OpenStudy (kaley246):

@helper2222

OpenStudy (khalilforthewin):

i got it

OpenStudy (kaley246):

what is it then

OpenStudy (khalilforthewin):

C

OpenStudy (kaley246):

are u sure

OpenStudy (khalilforthewin):

for the first question right

OpenStudy (kaley246):

c \[C 6\sqrt{15}\]

OpenStudy (khalilforthewin):

yea

OpenStudy (kaley246):

thats the answer

OpenStudy (anonymous):

it is c

OpenStudy (khalilforthewin):

yes

OpenStudy (anonymous):

good job @khalilforthewin

OpenStudy (khalilforthewin):

give me a medal and fan me

OpenStudy (kaley246):

find the sum of \[3\sqrt{5} and 2\sqrt{20}\]

OpenStudy (khalilforthewin):

thanks

OpenStudy (anonymous):

welcome

OpenStudy (kaley246):

\[A. 7\sqrt{5}\]

OpenStudy (khalilforthewin):

that was the answer?

OpenStudy (kaley246):

\[B 30\sqrt{2}\]

OpenStudy (kaley246):

\[C 3\sqrt{5}+10\sqrt{2}\]

OpenStudy (kaley246):

\[60\]

OpenStudy (kaley246):

which one is the answer to the next question that i put up there

OpenStudy (khalilforthewin):

make a different question

OpenStudy (kaley246):

why you dont get that one

OpenStudy (khalilforthewin):

no you can only give one medal per question

OpenStudy (khalilforthewin):

so make a new one so i can get more medals

OpenStudy (kaley246):

find the difference\[9\sqrt{7} and \sqrt{28}\]

OpenStudy (anonymous):

@mathmath333

OpenStudy (khalilforthewin):

make another one

OpenStudy (kaley246):

\[A. 7\sqrt{7}\]

OpenStudy (anonymous):

sorry im not good with these questions

OpenStudy (kaley246):

\[B. 11\sqrt{7}\]

OpenStudy (kaley246):

@mathmath333

OpenStudy (anonymous):

i took my medal back you are being rude

OpenStudy (khalilforthewin):

wow

OpenStudy (mathmath333):

hint \(\sqrt{28}=\sqrt{4\times 7}=2\sqrt7\)

OpenStudy (anonymous):

thank you @mathmath333

OpenStudy (khalilforthewin):

ok i thought the rules were only one question per chat

OpenStudy (anonymous):

no

OpenStudy (khalilforthewin):

well im sorry

OpenStudy (anonymous):

it is only dont give out answers and be nice ect

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