The quadratic function is .
a.
\Find the -intercept.
The standard form of quadratic function , where
.
Rewrite the function
and
.
The -intercept of the equation is
.
Find the equation of the axis of symmetry and -coordinate of the vertex.
The equation of the axis of symmetry is .
(Substitute the values
and
)
(Simplify)
The -coordinate of the vertex is
.
The equation of the axis symmetry is and
-coordinate of the vertex is
.
b.
\Make a table of values that includes the vertex.
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c.
\Graph:
\Plot the points obtained in the table.
\Graph the quadratic function :
a.
\The -intercept of the equation is
.
The equation of the axis of symmetry is and
-coordinate of the vertex is
.
b.
\Table:
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c.
\Graph of the quadratic function is
.