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A parabola is a type of graph that is not linear, and mostly curved.
A parabola has the "x squared" sign in it's equation.
A parabola is not only curved, but all the symmetrical.
The symmetrical point, the middle of the parabola is called the vertex.
You can graph this graph with the vertex, x-intercepts and a y-intercept.
A parabola that has a positive x squared would be a smile parabola, and the one with the negative x squared would be a frown parabola.
Also, there are the parabolas that are not up or down, but sideways
Those parabolas have x=y squared, instead of y = x squared.
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What is the midpoint of the parabola between the focus and the directrix?
It is the apex of the parabola.
Does a parabola have to have an x-intercept?
No, a parabola does not have to have an x-intercept. ex. -2(x-2)^2 - 4 is a parabola that has no x-intercept.
What is the lowest or highest point in a parabola?
A vertex is the highest or lowest point in a parabola.
The equation y -3x2 describes a parabola. Which way does the parabola open?
The given terms can't be an equation without an equality sign but a negative parabola opens down wards whereas a positive parabola opens up wards.
What best describes a single fixed point that is the same distance from the parabola as the directrix is from the parabola?
Locus
