SOLUTION: Use the equation below to complete Part A, Part B, and Part C. f(x)=x^2 - 12x - 85 Part A: Provide the zeros of the function. Part B: Show all work to support Part A.

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Use the equation below to complete Part A, Part B, and Part C. f(x)=x^2 - 12x - 85 Part A: Provide the zeros of the function. Part B: Show all work to support Part A.       Log On


   

Question 1171845: Use the equation below to complete Part A, Part B, and Part C.
f(x)=x^2 - 12x - 85

Part A: Provide the zeros of the function.
Part B: Show all work to support Part A.
Part C: Explain why the function is set equal to to answer Part A. Then, explain the significance of the locations found in Part A.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2+-+12x+-+85
x%5E2-12x-%285%29%2817%29
%28x-17%29%28x%2B5%29

Zeros are -5, and +17.


f%28x%29=%28x-17%29%28x%2B5%29=0 lets us use Zero-Product rule.