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Sergeeva-Olga [200]
3 years ago
8

the graph of a quadratic function passes through the points (0,1), (-1,3), and (-2,1). the function is f(x)=?

Mathematics
2 answers:
kondor19780726 [428]3 years ago
7 0

Answer:

y=-2x^2-4x+1      :)

Step-by-step explanation:

murzikaleks [220]3 years ago
3 0
If you graph the three given points, you can see that the vertex (h,k) is (-1,3).

Equation of a quadratic function is: y = a(x - h)² + k
Plug in the vertex and one of the points (I chose (0,1)) and solve for "a".
1 = a(0 + 1)² + 3
-2 = a

Answer: f(x) = -2(x +1)² + 3
 

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