Question

help?

http://prntscr.com/97ujxx
http://prntscr.com/97ukj1

Answer 1

@Directrix

Answer 2

substitute A=36pi cm^2 into this equation

Answer 3

\[c=2\sqrt{A~\pi}\]

Answer 4

ok

Answer 5

\[C=2\sqrt{36\pi(\pi)}\]

Answer 6

i got A

Answer 7

yes :)

Answer 8

ok cx

Answer 9

for #2 is x = 2 the extraneous root?

Answer 10

Let's see.

Answer 11

For the second question...
you could check by replacing x with the given options
and verifying it works by seeing if both sides are the same thing

Answer 12

I agree with B)2 as the exraneous root. How about you, @MARC_