Use the quadratic function in standard form: y = ax^2 + bx + c
Substitute x = 0
Simplify to get y = c
The y-intercept is the point (0, c)
If the function is not in standard form, set x = 0 and evaluate y
Plot the point (0, y) on the y-axis
Use the quadratic function in standard form: y = ax^2 + bx + c
Substitute x = 0
Simplify to get y = c
The y-intercept is the point (0, c)
If the function is not in standard form, set x = 0 and evaluate y
Plot the point (0, y) on the y-axis