History of Negative Numbers (True or False)

It took 200 years for the negative number concept to develop.

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The Chinese used red rods for negative numbers and black rods for positive numbers.

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In the 3rd century, Diophantus from Alexandria thought that negative solutions to any algebraic problem was absurd.

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A negative number was rejected when it was not compatible with the contextual meaning of the problem.

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• false

Indian mathematicians had provided the rules for operations involving negative numbers since the 12th century.

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• false

Muhammad ibn Musa al-Khwarizmi rejected negative numbers because they had no geometrical meaning.

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• false

The signs (+) and (-) were first used in algebraic equations by Fibonacci in the 13th century.

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• false

John Wallis was the one who first introduced the number line.

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• false

The negative number concept was defined as an extension of the natural number system since the 15th century.

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• false