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ale4655 [162]
2 years ago
5

Given 2 points on a graph, write the equation of the graph. Vertex (3,5). Point(5, -3)

Mathematics
1 answer:
damaskus [11]2 years ago
4 0
We know that
for
y=a(x-h)^2+k
vertex is (h,k)
given vertex is (3,5)
y=a(x-3)^2+5
we are also given
(5,-3)
x=5 and y=-3 is a possible solution

-3=a(5-3)^2+5
-3=a(2)^2+5
minus 5 both sides
-8=a(4)
-8=4a
divide by 4 both sides
-2=a


the equation is
y=-2(x-3)^2+5
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