If using the method of completing the square to solve the quadratic equation x^2 + 14x – 14 = 0, which number would have to be added to "complete the perfect
square"?

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?