Find the zeros of the function.
-$$f ( x ) = x ^ { 2 } - 2 x - 15$$
A) 3 and 5
B) 3 and $- 5$
C) $- 3$ and $- 5$
D) $- 3$ and 5

Name: Find the zeros of the function. -\[f ( x ) = x ^ { 2 } - 2 x - 15\] A) 3 and 5 B) 3 and $- 5$ C) $- 3$ and $- 5$ D) $- 3$ and 5
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Question

Quizplus · Accepted Answer

The zeros of the function can be found by factoring the quadratic equation: $x^2 - 2x - 15 = (x - 5)(x + 3)$. Setting each factor to zero gives the solutions $x = 5$ and $x = -3$.

Find the Zeros of the Function f(x)=x2−2x−15f ( x ) = x ^ { 2 } - 2 x - 15f(x)=x2−2x−15

Find the Zeros of the Function $f ( x ) = x ^ { 2 } - 2 x - 15$