Warm-Up 5/14/08.

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Presentation transcript:

Warm-Up 5/14/08

Review Homework # 6 Sec.9.1 pg.502 # 16-64 (ALL)

Sec.9.3 Simplifying Radicals

Simplify the expression

CW # 1

Sec.9.4 Graphing Quadratic Functions

Example in the Book

Decide whether the parabola opens up or down.

CW # 2-Decide whether the parabola opens up or down.

Find the coordinates of the vertex. Make a table of values.

CW # 3- Find the coordinates of the vertex. Make a table of values.

Sketch the graph of the function. Label the coordinates of the vertex.

CW # 4-Sketch the graph of the function CW # 4-Sketch the graph of the function. Label the coordinates of the vertex.

Sec.9.5 Solving Quadratic Equations by Graphing

X-intercepts=Roots=Solutions

Use a graph to estimate the solution of the equation.

CW #5- Use a graph to estimate the solution of the equation.

Homework # 7 Sec.9.3 pg.514 # 21-66 (ALL)