SOLUTION: Find the indicated intercept(s) of the graph of the function. x-intercepts of f(x) = x^2-x-20/x^2+5 Given Answers are A.(-20,0) B. (5,0), (-4,0) C. (4,0), (0,0) D. (4,0),(-5

Algebra ->  Graphs -> SOLUTION: Find the indicated intercept(s) of the graph of the function. x-intercepts of f(x) = x^2-x-20/x^2+5 Given Answers are A.(-20,0) B. (5,0), (-4,0) C. (4,0), (0,0) D. (4,0),(-5      Log On


   

Question 893413: Find the indicated intercept(s) of the graph of the function.
x-intercepts of f(x) = x^2-x-20/x^2+5
Given Answers are A.(-20,0) B. (5,0), (-4,0) C. (4,0), (0,0) D. (4,0),(-5,0)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
X-intercepts are when f(x)=0.
For this function, it equals zero when the numerator equals zero.
x%5E2-x-20=%28x-5%29%28x%2B4%29
Two solutions:
x-5=0
x=5
and
x%2B4=0
x=-4
(5,0) and (-4,0)
.
.
.
graph%28300%2C300%2C-10%2C10%2C-5%2C5%2C%28x%5E2-x-20%29%2F%28x%5E2%2B5%29%29