Mr. @tkinson's Function Grapher

y = ax² + bx + c

Type integers, decimals or fractions like 2/3 and multiples of π like pi/4.

Window

Leave a box blank to fit it automatically.

y = x² − 2x − 3
−10123−4−202xy
Vertex
(1, −4)
Axis of symmetry
x = 1
Zeros
x = −1 and x = 3
y-intercept
(0, −3)
Opens
up
Minimum value
y = −4