Question

which is equivalent to 3√16 + √54?
a. 2 3√5
b. 5 3√2
c. 3√70
d. 6 √70

Answer 1

think how to brake up the square root into the product f a bunch of perfect squares, like \[\sqrt{48}=\sqrt{16} \times \sqrt{3}~~~~or~~~~4\sqrt{3}\]

Answer 2

how do u do it

Answer 3

When you have\[3\sqrt{16}\]it's same as \[3\sqrt{4^2}=?~~~~~~~you~~tell~~me.\]

Answer 4

i dont understand

Answer 5

do you see that 16 is a perfect square?

Answer 6

yea

Answer 7

\[16=4^2\]

Answer 8

but how do u get the answer

Answer 9

\[So,~~~3\sqrt{16}=3\sqrt{4^2}=3 \times 4 = 12\]\[\sqrt{54}= \sqrt{9} \times \sqrt {6} = \sqrt{3^2} \times \sqrt{6}=3 \times \sqrt{6}=3\sqrt{6} \]\[SO~~~~~~~12+3\sqrt{6}\]

Answer 10

theres answer choices

Answer 11

The answer choices are wrong, or you asked the question incorrectly.

Answer 12

i asked it right

Answer 13

\[I~~~am~~~positive~~~that~~~I~~~am~~~ri ght!\]

Answer 14

it can't be any of the given choices for the given question.