SOLUTION: Which is a zero of the funtion? f(x)=x2+6x-7 -7 -6 7 41

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Question 82651: Which is a zero of the funtion?
f(x)=x2+6x-7
-7
-6
7
41
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
a zero of the function is a value of x that makes the value of the function zero ... factoring gives f(x)=(x+7)(x-1)

so the zeroes of the function are -7 and 1; because each of these values causes one of the multiplicands to be zero, giving a zero value for the product, f(x)