SOLUTION: Please answer this question: Find the points of intersection between the two functions of f(x)=x^2-4 and g(x)=sqrt. of x+4(both the x and the 4 are under the radical). The answer

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please answer this question: Find the points of intersection between the two functions of f(x)=x^2-4 and g(x)=sqrt. of x+4(both the x and the 4 are under the radical). The answer       Log On


   

Question 223403: Please answer this question:
Find the points of intersection between the two functions of f(x)=x^2-4 and g(x)=sqrt. of x+4(both the x and the 4 are under the radical). The answer must be in ordered pair form. I simplified it and this is what I got:
x%5E4-8x%5E2-x%2B12=0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the points of intersection between the two functions of f(x)=x^2-4 and g(x)=sqrt. of x+4(both the x and the 4 are under the radical). The answer must be in ordered pair form.
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Graph the left side and the right side
separately on the same coordinate system.
Find the points of intersection.
graph%28400%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E2-4%2C%28x%2B4%29%5E0.5%29
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Solutions: (-2.3028..,1.3028..)
and (2.5616..,2.5616..)
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Cheers,
Stan H.