Question

Which of the following polynomials has -3 as a zero?
1] x-3
2] x^2-9
3] x^2-3x
4] x^2+3

Answer 1

Answer:

number 3 has -3 as a zero

Step-by-step explanation:

Answer 2

Answer:

x^2 - 9 = 0

x^2 = 9

x = ±3 = +3, -3

Answer is option B