1. Which equation represents the parabola with focus (1, 4) and latus rectum of 4? a. y = 1/4 (x - 1)^2 + 3 b. y = (x - 1)^2 + 4 c. y = -1/4 (x - 1)^2 + 3 d. y = 4 (x - 1)^2 + 3 2. Which statement describes the parabola y = - x^2 - 4x- 26? a. vertex at (-2, 22), directrix y = 21.75, opens up b. vertex at (-2, 22), directrix y = -21.75, opens down c. vertex at (-2, -22), directrix y = -21.75, opens up d. vertex at (-2,-22), directrix y =-21.75, opens down 3. What is the standard form of the parabola y = -1/2 (x + 1)^2 + 5? a. y = -1/2x^2 + x + 5.5 b. y = -1/2x^2 - 1/2x + 5.5 c. y = 1/2x^2 - x + 4.5 d. y = -1/2x^2 - x + 4.5 4. Identify the vertex, axis of symmetry, and direction of the opening of the parabola y = x^2 - 4x + 6? a. vertex (2, 6), AOS x = 6, opens down b. vertex (-2, -2), AOS x = -2, opens up c. vertex (2, 2), AOS x = 2, opens up d. vertex (-4, 2), AOS x = 2, opens down