SOLUTION: A parabola with the equation of the form y = ax^2 + bx + c has the point (3, 1) as its vertex. If (1, 3) also lies on the parabola, which of the following is another point on this

Question 343971: A parabola with the equation of the form y = ax^2 + bx + c has the point (3, 1) as its vertex. If (1, 3) also lies on the parabola, which of the following is another point on this parabola?
(A)(-3, -1) (B) (-1,-3) (C) (2, 2)(D) (2, 6) (E) (5, 3)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
In vertex form,

Using (,),

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.
.

Now that you have the equation, test all of the points.
I'll do one, you do the remaining four.
A) (,):

False, so (,) is not a point on the parabola.
Continue with the remaining points in the same manner.
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.
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