SOLUTION: determine the quadratic function f whose graph is given. The vertex is (1,-1) and the other given point is (2,1)

Question 1053508: determine the quadratic function f whose graph is given. The vertex is (1,-1) and the other given point is (2,1)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

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Standard Form equation was used and solution relied on handling steps from the standard form.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
determine the quadratic function f whose graph is given. The vertex is (1,-1) and the other given point is (2,1)

Vertex form of parabolic equation: Substitute (1, - 1) for (h, k) and (2, 1) for (x, y). You should get a value of 2 for a, which leads to the following equation, in vertex form:

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