Question

multiply 2(sqrt)11 (times) 8(sqrt) 22

Answer 1

What have you got so far?

\[a\sqrt{b} \times c\sqrt{d}= a*c\sqrt{b*d}\]

Answer 2

16sqrt(11*22)

Answer 3

okay i no you suppose to multiply the outside with the out and the inside with the inside okay when i did that i got 14(sqrt)242 and i think thats wrong

Answer 4

wait 16

Answer 5

16(sqrt)242 is right.
now we need to simplify the sqrt

what are factors of 242?

Answer 6

11 (times)22

Answer 7

yes what else? 11 and 22 can't be written as a^2

Answer 8

what can we write 22 as instead?

Answer 9

2 (times) 11

Answer 10

good so 242=2*11*11

now what will your answer be?

Answer 11

i wanna say\[8\sqrt{11}\]

Answer 12

okay so we have \[16\sqrt{242}=16\sqrt{11}\sqrt{11}\sqrt{2}\]\[=16*11\sqrt{2}\]\[=176\sqrt{2}\]

Answer 13

\[\sqrt{a}*\sqrt{a}=a\]

Answer 14

ohh okay 16 (times)11 and what every is in the (sqrt) you just combine it

Answer 15

correct

Answer 16

okay thank you ima try the next problem and see what i get