a dot
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the y-axis is vertical, and the x- axis is horizontal
It will look like a straight vertical line that cuts the x-axis at the point (100, 0).
it will be pointing to the right side of the plane
An x2 parabola will always have one vertex, but depending on the discriminant of the function (b2-4ac) the parabola will either have 2 roots (it crosses the x-axis twice), 1 repeating root (the parabola meets the x-axis at a single point), or no real roots (the parabola doesn't meet the x-axis at all)
the x-axis goes horizontally (like this _______ ) and the y-axis goes vertically (like this | )