Question

last one cube roots

Answer 1

@StudyGurl14

Answer 2

Okay, so this one you have a negative number. Have you dealt with imaginary numbers yet?

Answer 3

Just posting here so I don't have to keep looking in a new tab...
\(\Large\sqrt[3]{-320}\)

Answer 4

noo its even harder but if i guessed it would be a or b

Answer 5

Not necessarily...let's just go through the problem, shall we?

Answer 6

Okay, so we notice that -320 is divisible by 5, right? because it ends in a 0. So, what's -320 / 5

Answer 7

yes i need to understand but if i pass it maybe i dont have to do this nomore

Answer 8

lol

Answer 9

-64

Answer 10

ill be back in 3

Answer 11

correct. now, what number, when multiplied by itself three times, equals -64?

Answer 12

-4

Answer 13

ok so its c

Answer 14

Correct. so you have \(\large\sqrt[3]{(-4)^3\times5}\)
The sqrt 3 and ^3 cancel out and it becomes \(\large -4\sqrt[3]{5}\)

Answer 15

Yep, c. :)

Answer 16

thank u now can i post the other i did myself and see if its correct please

Answer 17

sure

Answer 18

i tagged u

Answer 19

i reposted and tagged u so i could give u another medal