Question

Hi everyone simple question i really need help with

What is the exact value of the square root of 28 over 9 the square root of 16.? Simplify if possible.
Answer

the square root of 7 over 9.

2 over 9.

the square root of 7 over 18.

2 over 18.

Answer 1

can you draw it?

Answer 2

like the equation

Answer 3

is this correct?

\[ \LARGE \frac{\sqrt{28}}{9\sqrt{16}} \]

Answer 4

http://go.flvs.net/courses/1/flvs_19_3704_12585/ppg/educator_algebra1_v10/10_10_92.gif

Answer 5

yes

Answer 6

the answers if you want

Answer 7

then
\[ \LARGE \frac{\sqrt{28}}{9\sqrt{16}}=\frac{\sqrt{4\cdot 7}}{9\sqrt{4\cdot 4}} \]
can you go on?

Answer 8

sqrt(28)
-----
9 sqrt(16)

Answer 9

no! apply the properties of roots (distribution of powers to products)

Answer 10

hmm

Answer 11

seriously!
\[ (ab)^n=a^nb^n \]
so
\[\large \frac{\sqrt{4\cdot7}}{9\sqrt{4\cdot4}}=\frac{\sqrt{4}\sqrt{7}}{9\sqrt{4}\sqrt{4}}
=\frac{\sqrt{7}}{9\sqrt{4}} \]