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Name: Parabolas Practice 1. Write the standard form of the parabola with its Vertex at the origin and focus at ( -4, 0 ) 2. What is the standard form of the equation of the parabola with directrix at y = - 3 and vertex at (0, 0)? 3 . Write the equation of the conic Parabola a. Parabola with vertex at (0, 0) and. b. Parabola with vertex at (0, 0) and Focus at (0, 5) Directrix x = 4 4. Identify the focus and directrix of each parabola and graph. a. yz =-20x b. x2 = 4y 5. Tell whether the parabola opens up, down, left, or right. a. x =- 3y b. y- = -20x C. y = 2x d. x- = 5y