Question 70015
what is the y-intercept for x^2-2x-8
The y-intercept is the point where the parabola crosses the y-axis.
This value will always be (0, b) where x=0 (if there is a y-intercept).

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So, let x=0 and solve for y:
y=x^2-2x-8
y=(0)^2-(0)-8
y=-8 or point (0, -8)