Question

Can someone check my radical answers....
8√7 / 7√8= 4/7???
(-8-4√5)(2-√5)=4???

Answer 1

@satellite73 <--- lol u always help me

Answer 2

Hmm...can you show your work for #1?

Answer 3

and #2 :)

Answer 4

\(\bf \cfrac{8\sqrt{7}}{7\sqrt{8}}\ne \cfrac{4}{7}\)

Answer 5

(-8-4√5) (2-√5)= -16+8√5-8√5+4√25=-16+8√5-8√5+20= 4

Answer 6

thats for #2

Answer 7

Yeah that looks correct to me

Answer 8

but what about #1?

Answer 9

jdoe answered it and that was exactly how i did so thanks!

Answer 10

Oh he already answered it? That's odd..I'm sorry jdoe but I'd have to disagree with your answer...for now

Answer 11

ok then i am confused

Answer 12

is it √14/7