



 
Hi Bruce, The y intercepts of y = x^{2}  12 are the points where the graph crosses the yaxis. Since points on the yaxis are precisely the points that have their xcoordinates equal to zero you can find the yintercepts by substituting x = 0 and solving for y. Thus
Thus I agree with you, there is one yintercept at (0, 12). Likewise the xintercepts are obtained by substituting y = 0. In this case
Penny  


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