Question

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

• A. both positive
• B. both negative
• C. one positive and one negative
• D. both equal

Answer 1

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.