Tracing a Parabola
Slide x to trace out the parabola y = x² point by point.
y
=
x
²
x
y
−3
−2
−1
1
2
3
2
4
6
8
SLIDER
x
=
−3.5
y VALUE
y
=
12.25
CURRENT POINT
(
−3.5
,
12.25
)
Each x-value plugged into the equation gives one point on the parabola.
Connect every point and you get the full curve — that's how a graph is built.
−3.5
+3.5
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