ALGEBRA 2, 2012
33

 PAGE: 255 SET: Exercises PROBLEM: 33

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 of symmetry is and -coordinate of the vertex is .

b.

Make a table of values that includes the vertex.

c.

Graph:

Plot the points obtained in the table.

a.

The -intercept of the equation is .

The equation of the axis of symmetry is and -coordinate of the vertex is .

b.

Table:

c.

The graph of the quadratic function is

.

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