Which expression is equivalent to this polynomial? x2 + 8 a. (x+2√2)(x-2√2)
b.(x+4i)(x-4i)
c.(x+2√2)²
d.(x+2√2i)(x-2√2i)

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?