Concept explainers
a)
To determine whether the parabola opens upward or downward.
a)
Answer to Problem 11OE
Parabola opens downward
.Explanation of Solution
Given information :
Given equation
We know that the graph of the equation
The coordinates of the vertex is given by
Axis of symmetry is given by the value of
Now we compare the given equation with the standard equation, we get,
Here the value of
b)
The coordinates of the vertex.
b)
Answer to Problem 11OE
Coordinates of the vertex is (1, 0)
.Explanation of Solution
Given information :
Given equation
We know that the graph of the equation
The coordinates of the vertex is given by
Axis of symmetry is given by the value of
Now we compare the given equation with the standard equation, we get,
And
Therefore the coordinates of the vertex is (1, 0)
c)
The equation of the axis of symmetry.
c)
Answer to Problem 11OE
Axis of symmetry is
Explanation of Solution
Given information :
Given equation
We know that the graph of the equation
The coordinates of the vertex is given by
Axis of symmetry is given by the value of
Now we compare the given equation with the standard equation, we get,
Therefore the coordinates of the vertex is (1, 0)
Axis of symmetry is
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Algebra and Trigonometry: Structure and Method, Book 2
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