Question

Find the zeros of the function f(x)=−x2+25.

Answer 1

Answer:$x=5,-5$

Step-by-step explanation:

$-x^{2} +25=0$

Factor out -1

$-(x^{2} -25)=0$

factor

$-(x+5)(x-5)=0$

Solve for zeros

$x+5=0\\x-5=0$

$x=5,-5$