Question

If the zeros of a quadratic function are 3 and 8, what are the factors of the function? a. (x 8) and (x − 3) b. (x − 8) and (x 3) c. (x 8) and (x 3) d. (x − 8) and (x − 3)

Answer 1

If the zeros of a quadratic function are 3 and 8, the factors of the function is: d. (x − 8) and (x − 3).

Quadratic function

Given:

Zeros (0) of quadratic functions are 3 and 4 means,

Hence,

When x =3 ,( x – 3 )  = 0

When x = 8 , ( x – 8 ) = 0  

So,

( x – 3 )  and ( x – 8 ) are factors of polynomial.

Therefore If the zeros of a quadratic function are 3 and 8, the factors of the function is: d. (x − 8) and (x − 3).

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