4. finding vertex, focus, directrix given an equation of a parabola.notebook October 06, 2016
Finding the vertex, focus and directrix given an equation of a parabola
1. ­4x2 = y
vertex = _____
focus = _______
directrix = ______
2. y2 = 3x
vertex = _____
focus = _______
directrix = ______
Sketch
4. finding vertex, focus, directrix given an equation of a parabola.notebook October 06, 2016
3. (x­5) + (y+ 4)2 = 0
vertex = _____
focus = _______
directrix = ______
4. (x + 1 )2 = 4(y­1)
2
vertex = _____
focus = _______
directrix = ______
4. finding vertex, focus, directrix given an equation of a parabola.notebook October 06, 2016
5. y2 ­4y ­ 4x = 0
vertex = _____
focus = _______
directrix = ______
6. 4x = y2 + 2y + 33
vertex = _____
focus = _______
directrix = ______
4. finding vertex, focus, directrix given an equation of a parabola.notebook October 06, 2016
7. y = 3x2 ­ 6x + 2
vertex = _____
focus = _______
directrix = ______
4. finding vertex, focus, directrix given an equation of a parabola.notebook October 06, 2016