Respuesta :
Answer:
Step-by-step explanation:
A vertical parabola crosses the y-axis in only one place, and that place has x-coordinate 0.
Thus, substitute 0 for x in the equation of the parabola; the result is the y-intercept.
Answer:
Step-by-step explanation:
A vertical parabola crosses the y-axis in only one place, and that place has x-coordinate 0.
Thus, substitute 0 for x in the equation of the parabola; the result is the y-intercept.