a. Find the coordinates of the vertex.
b. Find the y-intercept
Y= -1/4(x+4)^2 -5
Y= -3(x-4)^2 +8
Y= 0.5(x-6)^2 -1
Y= 2(x-1/2)^2 +4
Thank you! :)
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Answers (1)
1, coordinates at (-4,-5), Y int. @ -9
2, coordinates at (4,8), Y int, it does not cross the y axis so there is no y int.
3, coordinates at ( 6,1), Y int. @ 17
4, coordinates at (.5,3.6) Y int. @ 4.5
Reference: me