Which of the following polynomials has zeros at x = –4 and x = 7? 4x 2 - 7x - 11 4x 2 - 49 7x 2 - 4x + 28 x 2 - 3x - 28
1 answer:
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We have to determine the complete factored form of the given polynomial
.
Let x= -1 in the given polynomial.
So,
So, by factor theorem
(x+1) is a factor of the given polynomial.
So, dividing the given polynomial by (x+1), we get quotient as .
So, = (x+1)
.
=
=
= is the completely factored form of the given polynomial.
Option D is the correct answer.