AAT-A Date: 1/30/14 SWBAT solve factoring problems  Do Now: ACT Prep HW Requests: WS Section 5.9  HW: Read section 6.3, Pg 303 #15-37odds  Continue.

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Presentation transcript:

AAT-A Date: 1/30/14 SWBAT solve factoring problems  Do Now: ACT Prep HW Requests: WS Section 5.9  HW: Read section 6.3, Pg 303 #15-37odds  Continue Vocab sheet Announcements: Chapt. 5 Vocab Sheet due Tues. Algebra 2 is a graduation Requirement. Sign up for Credit Recovery if needed. Tutoring: Tues. and Thurs. 3-4 Life Is Just A Minute Life is just a minute—only sixty seconds in it. Forced upon you—can't refuse it. Didn't seek it—didn't choose it. But it's up to you to use it. You must suffer if you lose it. Give an account if you abuse it. Just a tiny, little minute, But eternity is in it! By Dr. Benjamin Elijah Mays, Past President of Morehouse College

6.3 – Solving Quadratic Equations by Factoring A quadratic equation is written in the Standard Form, must equal 0 where a, b, and c are real numbers and. Examples: (standard form)

Zero Factor Property: If a and b are real numbers and if, Examples: then or. 6.3 – Solving Quadratic Equations by Factoring

Zero Factor Property: If a and b are real numbers and if, Examples: then or. 6.3 – Solving Quadratic Equations by Factoring

Solving Quadratic Equations: 1) Write the equation in standard form. 4) Solve each equation. 2) Factor the equation completely. 3) Set each factor equal to 0. 5) Check the solutions (in original equation). 6.3 – Solving Quadratic Equations by Factoring

Factors of -18 1,-18; -1,18; 2,-9; -2,9; 3,-6; -3,6 Factors adding to -3

6.3 – Solving Quadratic Equations by Factoring

Work problems: Pg 303 # evens; 34, 36

6.3 – Solving Quadratic Equations by Factoring

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? (Domain) seconds 6.3 – Quadratic Equations and Problem Solving

The square of a number minus twice the number is 63. Find the number. (Domain) x is the number. 6.3 – 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 width of the garden? Domain The width is w.The length is w+5. feet 6.3 – Quadratic Equations and Problem Solving ±

Find two consecutive odd numbers whose product is 23 more than their sum? Consecutive odd numbers: 6.3 – 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 6.3 – Quadratic Equations and Problem Solving ± Domain