Which of the following values "completes square", or creates a perfect square trinomial ,for x^2 -8x + __

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Consider the polynomials given below. p(x) = x4 + 3x3 + 2x2 – x + 2 q(x) = (x3 + 2x2 + 3)(x2 – 2) determine the operation that results in the simplified expression below. 35 + x4 – 573 - 3x2 + x - 8 a. p+q b. pq c.q-p d. p-q

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5