Fill in the box with any number that will create a quadratic function with zeros at -1 and 3.
1 answer:
Answer:
3x^2 - 6x - 9
Step-by-step explanation:
In order to make the function have zeros at -1 and 3 it needs to factor into:
<u>To make that:</u>
3x^2 - 6x - 9
(3x - 9)(x + 1)
<u>To check:</u>
3x - 9 + 9 / 3 = 0 + 9 / 3
x = 3
x + 1 - 1 = 0 - 1
x = -1
So, it is correct.
Answer: 3x^2 - 6x - 9
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