📐 Degree
a =
b =
c =
d =
e =
y = x² − 4
⚡ Presets
🔭 View Range
x from
to
y from
to
📊 Analysis
Degree2
y-intercept−4
Zeroes (x-axis)−2, 2
Vertex / Turning pt(0, −4)
Opens / DirectionUpward ∪
Discriminant (D)16
Scale: 1 unit = ?px
x: 0.00  |  y: 0.00