How to Graph a Parabola

1
How to Graph a Parabola
2
Parabola

• A special curve, shaped like an arch. Two
  examples are below. Notice how they are smooth
  like a U, not sharp like a V. They are the
  result of graphing an equation with an x2.

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How to Graph a Parabola
Make a table to graph y x2 2
x y











Pick positive and negative values for the input.
NEVER USE A RULER TO CONNECT THE POINTS!
-5
27
y
-4
18
-3
11
-2
6
-1
3
x
0
2
Dont Forget to make it a complete graph
Notice how the outputs decrease then increase.
1
3
2
6
3
11
4
18
Only plot the points that fit, but make sure to
get a U shape.
5
27