SOLUTION: Find the x-intecepts of y=225-x^2

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Question 417535: Find the x-intecepts of y=225-x^2
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

Finding the x-intercepts of  

 y= 225-x^2    |when y = 0

 0 = 225 -x^2

 x^2 = 225

  x = ±  15

 x-intercepts are (15,0) and (-15,0)