nolegirl24:

What is the product of Seven square root eight times four square root five? Simplify your answer. Twenty eight radical ten Fifty six radical two Fifty six radical ten Two hundred eighty radical four

1 month ago
Vocaloid:

first you would just multiply the square root parts together

1 month ago
mikewwe13:

7√8*4√5 =

1 month ago
Vocaloid:

sqrt(A) * sqrt(B) = sqrt(A*B) sqrt(8) * sqrt(5) = ?

1 month ago
nolegirl24:

40?

1 month ago
nolegirl24:

Wait what?!?!?

1 month ago
Vocaloid:

good, sqrt(40) now we just multiply the non-radical parts to get 7 * 4 = 28

1 month ago
Vocaloid:

now we go back to our sqrt(40) and see if we can factor out any perfect squares

1 month ago
Vocaloid:

40 = 4*10 sqrt(40) = sqrt(4)*sqrt(10) sqrt(4) = ?

1 month ago
nolegirl24:

square root of 4 is 2

1 month ago
Vocaloid:

good, so sqrt(40) = sqrt(4)*sqrt(10) = 2*sqrt(10) so let's put everything together 28* 2*sqrt(10) = 56sqrt(10) = C

1 month ago