Solve the following quadratic by
completing the square.
y = x2 - 4x + 1

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0

A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?