Equation of Parabola
Videos and lessons to help High School students learn how to
derive the equation of a parabola given a focus and directrix.
Parabola Focus and Directrix 1
Parabola as the locus of all points equidistant from a point and a line.
Focus and Directrix of a Parabola 2
Finding the focus and directrix of a parabola.
Using the focus and directrix to find the equation of a parabola.
Parabola: find equation of parabola with focus (4,0) and directrix x = 0
Find equation of parabola with focus (4,0) and directrix x = 0
Answer: y2 = 8x - 16
Find Equation of Parabola given Focus and Directrix
Focus at (2, 4). Directrix x = -4
Parabolas
Drag point A. How are AB and BC related?
Parabola as the locus of all points equidistant from a point and a line.
Focus and Directrix of a Parabola 2
Finding the focus and directrix of a parabola.
Using the focus and directrix to find the equation of a parabola.
Parabola: find equation of parabola with focus (4,0) and directrix x = 0
Find equation of parabola with focus (4,0) and directrix x = 0
Answer: y2 = 8x - 16
Find Equation of Parabola given Focus and Directrix
Focus at (2, 4). Directrix x = -4
Parabolas
Drag point A. How are AB and BC related?
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