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vodka [1.7K]
3 years ago
9

Which of the following polynomials has zeros at x = –4 and x = 7?

Mathematics
2 answers:
Irina18 [472]3 years ago
8 0

Answer: The correct option is 4.

Explanation:

It is given that the polynomial has two zeros at x=-4 and x=7.

If a polynomial has zeros at x=c then (x-c) is a factor of the polynomial.

Since the polynomial has two zeros at x=-4 and x=7, therefore the polynomial has factor (x+4) and (x-7).

P(x)=(x+4)(x-7)

P(x)=x(x-7)+4(x-7)

P(x)=x^2-7x+4x-28

P(x)=x^2-3x-28

This equation is represented by option 4, therefore the option 4 is correct and the equation P(x)=x^2-3x-28 has zeros at x = –4 and x = 7.

Keith_Richards [23]3 years ago
4 0
The last one
x^2-3X-28
Z Z Z Z Z
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