Question

what is 4 - k^2 factored as a binomial?

Answer 1

use the difference of squares formula:\[a^2-b^2=(a+b)(a-b)\]all you need to do is identify \(a\) and \(b\) in your expression

Answer 2

so a = 2 and b = k?

Answer 3

yep :)

Answer 4

thanks :)