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Question

The zeroes of the quadratic polynomial $$x^2 + 99x + 127$$ are


A
both positive
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B
both negative
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C
one positive and one negative
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D
both equal
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Solution

The correct option is B both negative
Product of zeroes = 127
The sign is positive it means both the zeroes have same sign.
Sum of zeroes = -99
The sign is negative and both have same sign hence the zeroes are both negative.

Mathematics

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