public Point2D?CalculateIntersection(SlopeInterceptEquation otherEquation)
{
if (Slope.IsApproximately(otherEquation.Slope))
{
return(null);
}
var slopeDifference = Slope - otherEquation.Slope;
var yIntersectionDifference = otherEquation.YIntercept - YIntercept;
var x = yIntersectionDifference / slopeDifference;
var y = CalculateY(x);
return(new Point2D(x, y));
}
public bool Equals(SlopeInterceptEquation other) => Slope.IsApproximately(other.Slope) && YIntercept.IsApproximately(other.YIntercept);