The quadrant is the one of the four quaters of a circle. It is the math term for a 1/4 of a circle.
The meaning of the question is not at all clear. Quadrant IV contains points whose x-coordinate is positive and the y-coordinate is negative. So what is meant by the "point" being negative? Also, quadrant IV is not an operation. So what is meant by its converse?
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fourth, one-fourth, quartern, semester, term
It sounds like a term used in some science fiction story. "Quadrant" is often used in such stories to refer to a region of space.
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Explain what is meant by the term 'dementia.'
Quadrant I : (+, +) Quadrant II : (-, +) Quadrant III : (-, -) Quadrant IV : (+, -)
The four region are called quadrant-the first quadrant is the upper right side of the cartesian plane.-the second quadrant is the upper left side of the cartesian plane.-the third quadrant is the lower left side of the cartesian plane.-the fourth quadrant is the lower right side of the cartesian plane.