Name: Find the focus, directrix, and focal diameter of the parabola, and sketch its graph. 4. the vertic x? = 7y %3D 16y = %3D -5 ID: B ID: B Name: 0. 3 3.4.5 6 7x. d. .-7-6-5 -4-3 a. -2 -1 1 234567 x -2 3 0.- The focal diameter is 4 The focal diameter is 7 0. -7 5- 54 4 3. :4- cal ca I1. 5 e. b. -2-11 1-12-3--4 x -7--6 -5 -4-3 -8-7-6-5-4-3-2-1 1 2 3.4.5 6 7 x. -3• -41 -5 -6' -7 The focal diameter is 5 The focal diameter is 8 4. C. 2-3--4 5 6- -4-3-2 =21 %34. The focal diameter is 6 514 fofenfo *65 432

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