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How many y-intercepts does the graph of the parabola  x = -y^2 + 4y - 4 - 2y + 7 have?

 Feb 15, 2021

Best Answer 

 #1
avatar+29378 
+2

y intercept will occcur when x = 0

 

soooo     0 = -y2 +2y +3 

               0 = y2 -2y-3   factor

                    (y+1)(y-3) = 0                          at y = -1  and  +3        Two y-axis intercepts

 Feb 15, 2021
 #1
avatar+29378 
+2
Best Answer

y intercept will occcur when x = 0

 

soooo     0 = -y2 +2y +3 

               0 = y2 -2y-3   factor

                    (y+1)(y-3) = 0                          at y = -1  and  +3        Two y-axis intercepts

ElectricPavlov Feb 15, 2021

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