Parabolas

Parabolas

1. What is a Parabola?

   • All parabolas are “U” shaped and they will have a highest or lowest point that is called the vertex. Parabolas may open up or down and may or may not have x -intercepts and they will always have a single y -intercept.

2. What is the vertex of a Parabola?

   • Parabolas always have a lowest point (or a highest point, if the parabola is upside-down). This point, where the parabola changes direction, is called the "vertex".

3. What is a parabola’s axis of symmetry?

   • The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves. The axis of symmetry always passes through the vertex of the parabola . The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

4. What are the equations?

   • ax+bx+c=0
   • As=-b/2a
   • f(x)=x^2-4x

5. APA References

   • Gonzalez, A.(2017). Real life Parabolas [online video]. Recovered from https://m.youtube.com/watch?v=utWLIOsDrF0
   • How to graph a parabola.(2019). In WikiHow. Recovered from https://m.wikihow.com/Graph-a-Parabola
   • Axis of Symmetry of a Parabola.(n.d.). Recovered from https://www.varsitytutors.com/hotmath/hotmath_help/topics/axis-of-symmetry-of-a-parabola
   • Dawkins, P.(2003). Parabolas. In Paul’s online notes. Recovered from http://tutorial.math.lamar.edu/Classes/Alg/Parabolas.aspx

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