| Review – Linear Inequalities
Solve
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| Review – Interval Notation and Graphs
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Review – Solutions of Quadratic
Equations and Graph of ParabolaHow do
the solutions of a quadratic equation relate to
the graph of the associated parabola?
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Quadratic Inequalities – Use graph to solve.
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| Quadratic Inequalities – Solve by hand.
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Steps to Solve Quadratic Inequalities
1) Solve associated equation.
2) Place these numbers on the number line.
3) Test a number from each region formed by
the boundary numbers. shade true regions.
4) Determine sign to go on boundary numbers infinity gets()
(parentheses or brackets).
5) Write solution in interval notation. |
| Another example
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| Using the calculator to check work
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Another Example
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Use calculator to check
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| Use calculator to check work
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