Write an expression to represent: Three minus the product of two and a number x
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The equation of a parabola that has a vertex of (-2, 5.5) and passes through the point (-2.5, 2.5) is
The vertex form of the equation of a parabola is:
where (h, k) is the vertex of the parabola
(x, y) is the point that the parabola passes through
The vertex, (h, k) = (-2, 5.5)
The point, (x, y) = (-2.5, 2.5)
Substitute h = -2, k = 5.5, x = -2.5, and y = 2.5 into the equation to solve for a.
Therefore, the equation of the parabola is:
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