alleryWhose work on zero and negatives made the four quadrants possible?
AHipparchus
BBaudhayana
CBrahmagupta
DAl-Biruni
Answer & Solution
Correct answer: C. Brahmagupta
1. The origin of the plane is the number zero.
2. The negative axes need negative numbers to exist.
3. Brahmagupta formalised zero and the negative numbers.
4. So the answer is Brahmagupta.
_Source: syllabus Mathematics, Ch 1 'Orienting Yourself: The Use of Coordinates'_
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