SOLUTION: What is the x intercept and the y intercept for the following: f(x) = x^2

SOLUTION: What is the x intercept and the y intercept for the following: f(x) = x^2 - 3x + 1

Question 430587: What is the x intercept and the y intercept for the following:
f(x) = x^2 - 3x + 1
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi

f(x) = x^2 - 3x + 1   |y-intercept when x = 0  Pt(0,1)

   x^2-3x + 1 = 0        |x-intercept when f(x) = 0  

Note: General format  ax^2 + bx + c = 0



 

   x = (3+sqrt(5))/2 and x = (3-sqrt(5))/2

Pt( 2.6180,0) and Pt(0.382,0) the x-intercepts



 

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