A quadratic equation is written in the Standard Form,

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A quadratic equation is written in the Standard Form,

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A quadratic equation is written in the Standard Form, 11.6 – Solving Quadratic Equations by Factoring A quadratic equation is written in the Standard Form, where a, b, and c are real numbers and . Examples: (standard form)

If a and b are real numbers and if , then or . 11.6 – Solving Quadratic Equations by Factoring Zero Factor Property: If a and b are real numbers and if , then or . Examples:

If a and b are real numbers and if , then or . 11.6 – Solving Quadratic Equations by Factoring Zero Factor Property: If a and b are real numbers and if , then or . Examples:

Solving Quadratic Equations: 1) Write the equation in standard form. 11.6 – Solving Quadratic Equations by Factoring Solving Quadratic Equations: 1) Write the equation in standard form. 2) Factor the equation completely. 3) Set each factor equal to 0. 4) Solve each equation. 5) Check the solutions (in original equation).

11.6 – Solving Quadratic Equations by Factoring

11.6 – Solving Quadratic Equations by Factoring If the Zero Factor Property is not used, then the solutions will be incorrect

11.6 – Solving Quadratic Equations by Factoring

11.6 – Solving Quadratic Equations by Factoring

11.6 – Solving Quadratic Equations by Factoring

11.6 – Solving Quadratic Equations by Factoring

11.6 – Solving Quadratic Equations by Factoring

11.7 – Quadratic Equations and Problem Solving A cliff diver is 64 feet above the surface of the water. The formula for calculating the height (h) of the diver after t seconds is: How long does it take for the diver to hit the surface of the water? seconds

11.7 – Quadratic Equations and Problem Solving The square of a number minus twice the number is 63. Find the number. x is the number.

11.7 – Quadratic Equations and Problem Solving The length of a rectangular garden is 5 feet more than its width. The area of the garden is 176 square feet. What are the length and the width of the garden? The width is w. The length is w+5. feet feet

11.7 – Quadratic Equations and Problem Solving Find two consecutive odd numbers whose product is 23 more than their sum? Consecutive odd numbers:

11.7 – Quadratic Equations and Problem Solving The length of one leg of a right triangle is 7 meters less than the length of the other leg. The length of the hypotenuse is 13 meters. What are the lengths of the legs? meters meters