- In the next equation, after X"-BX+/-C2=0, h" equals a quadrant
of B" and h"-C2 equals (-K).
- If C2 is negative, the y-coordinate (K)
of the vertex equals the sum of the areas with shared corners at the
intersection of the green lines if one area equals h" a quadrant of
B" with a corner at the intersection of
yellow lines.
- If C2 is positive the y-coordinate (K) of
the vertex equals the area of the square with a shared corner at the
intersection of green lines and its opposite
corner at the intersection of yellow lines.
- PDA twice.
- (X-h) equals the square root of (-K) where X
is the length of a segment of the intersecting green lines and h is
a length of a side of a quadrant of B"
- Since K always has a negative value in these
examples, (-K) kas a positive value.
- Remember the X that equals the length of the
segment by which a green line exceeds the length of the blue
line has a negative value, otherwise the value of X is positive,
while the value of h is always positive.
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