# Solving Quadratic Equations Completing the Square - PowerPoint PPT Presentation

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Solving Quadratic Equations Completing the Square. Goal: I can complete the square in a quadratic expression. (A-SSE.3b). Recall : Square Root Property. Solve the equation using the square root property. Recall : Square Root Property. Solve the equation using the square root property.

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Solving Quadratic Equations Completing the Square

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## Solving Quadratic EquationsCompleting the Square

Goal: I can complete the square in a quadratic expression. (A-SSE.3b)

### Recall: Square Root Property

• Solve the equation using the square root property.

### Recall: Square Root Property

• Solve the equation using the square root property.

### To solve by Completing the Square

• Step 1: Move the constant

• Step 2: Add to each side.

• Step 3: Factor the perfect square trinomial.

• Step 4: Solve for x, using the Square Root Property.

### Example 1:

• Step 1: Move the constant.

• What would you do to each side to move the constant?

### Example 1:

• Step 2: Add to each side.

### Example 1:

• Step 3: Factor the perfect square trinomial.

### Example 1:

• Step 4: Solve for x, using

the Square Root Property.

### Example 2:

• Solve by completing the square.

### Example 3:

• Solve by completing the square.