Algebra II Mr. Gilbert

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Algebra IIMr. Gilbert

• Chapter 7.3
• Solving Equations using Quadratic Techniques
• Standard Honors

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Agenda

• Warm up
• Home Work
• Lesson
• Practice
• Homework

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Homework Review
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Communicate Effectively

• Quadratic Form au2buc
• a?0 and a, b and c are Real, and
• u is an expression in x

Recall
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Lesson 3 Contents
Example 1 Write an Expression in Quadratic Form
(3) Example 2 Solve Polynomial Equations
(7) Example 3 Solve Equations with Rational
Exponents (4) Example 4 Solve Radical Equations
(3)
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Example 3-1a
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Example 3-1d
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Example 3-1e
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Example 3-2a
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Example 3-2b
Use the Zero Product Property.
Answer The solutions are 5, 2, 2, and 5.
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Example 3-2c
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Example 3-2d
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Example 3-2e
The solution of the first equation is 6. The
second equation can be solved by using the
Quadratic Formula.
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Example 3-2f
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Example 3-2g
Answer 3, 1, 1, 3
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Example 3-3a
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Example 3-3b
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Example 3-3c
Check Substitute each value into the original
equation.
Answer The solution is 81.
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Example 3-3d
Answer 8, 27
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Example 3-4a
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Example 3-4b
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Example 3-4c
Answer 25
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Homework
See Syllabus 7.3