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Zachary429
12.11.2019 •
Mathematics
If the zeros of a quadratic function are 3 and 8, what are the factors of the function?
o a. (x+8) and (x - 3)
ob. (x - 8) and (x+3)
o c. (x+8) and (x + 3)
d. (x-8) and (x - 3)
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Ответ:
Option D
If the zeros of a quadratic function are 3 and 8 then the factors of function are x - 8 and x - 3
Solution:
Given that zeros of quadratic functions are 3 and 8.
Need to determine the factors of quadratic function
Lets function be f(x) that is variable is x.
Zeros of quadratic functions are 3 and 4 means,
x = 3, x = 8 are solutions of f(x)
When x =3 ,( x – 3 ) = 0
When x = 8 , ( x – 8 ) = 0
Hence we can say that ( x – 3 ) and ( x – 8 ) are factors of polynomial f(x).hence correct option is D that ( x – 3 ) and ( x – 8 )
Ответ:
$800 x .05 = $40 a year interest.
$40 x 4 yrs = $160 in interest.