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The vertex of a parabola is found by using the solution of the equation -b/2a and putting it into the quadratic equation. a is the coefficient of x^2. b is the coefficient of the other x in the equation.
Ex.
y=2x^2+2x+1
-b/2a = -2/2(2) = -1/2
Now put -1/2 in the place of every x in the equation.
y=2(-1/2)^2+2(-1/2)+1
The vertex is (-1/2, 1/2)
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What the the vertex of a parabola?
The vertex would be the point where both sides of the parabola meet.
To find the value of a in a parabola opening up or down subtract the y-value of the parabola at the vertex from the y-value of the point on the parabola that is one unit to the of the vertex?
To find the value of a in a parabola opening up or down subtract the y-value of the parabola at the vertex from the y-value of the point on the parabola that is one unit to the right of the vertex.
What is the vertex of a parabola?
the vertex of a parabola is the 2 x-intercepts times-ed and then divided by two (if there is only 1 x-intercept then that is the vertex)
Parabola is the point at which the parabola is at its lowest or highest point?
A parabola is NOT a point, it is the whole curve.
What is the extreme point of a parabola that is located halfway between the focus and directrix called?
It is the vertex of the parabola.
