Factoring Using Special Patterns General Algebra II

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Presentation transcript:

Factoring Using Special Patterns General Algebra II Notes 5.5 (Day 2) Factoring Using Special Patterns General Algebra II

Solving Equations with Special Patterns by Factoring: Step 1: Set the equation equal to 0. Step 2: Factor (mono out first if possible, difference of two squares, perfect trinomial squared). Step 3: Set each factored term equal to 0. Step 4: Solve for the solutions.

Solve the equation by factoring.

Solve the equation by factoring.

Solve the equation by factoring.

Solve the equation by factoring.

Solve the equation by factoring.

Finding the zeros of a function: Step 1: Substitute 0 in for y or f(x) Step 2: Factor Step 3: Set each factor equal to zero and solve Step 4: Write your solutions as coordinates ****This is different from solving an equation because there are now two variables (x, y). ****Your solutions should be in coordinate form ( , 0), ( , 0) ****”Zeros” are x – intercepts

Find the zeros of the function.

Find the zeros of the function.

Find the zeros of the function.

Homework: P 252, 50-57, 59-64