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A conic section is a slice of a cone, this video looks at four types of parabolas. I describe parabolas that up upward as "up faces" and parabolas that open downward as "down faces", and then right faces and left faces.
0:15 Introduction to parabolas vocabulary
Vertex,focus,directrix, p-value, and focal width
2:55 If x is squared how does the parabola open
5:01 Problem 1 Find the value of p, and then figure out which way it opens, find the vertex, find focus,the diretrix equation,and our focal width
7:45 Problem 2
9:25 Problem 3 in which you find p,the vertex,the focus,the directrix, and the focal width of a parabola
Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
Tagged under: parabola,conic sections,graphing parabolas,directrix,focus,focal width,geometry ,left facing parabola,moomoomath, facing parabola
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