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Notes for April 28 th Answers to Warm-Up 1.2. 3.(x – 4)(x – 7)4.(6x + 9)(3x – 3)

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Presentation on theme: "Notes for April 28 th Answers to Warm-Up 1.2. 3.(x – 4)(x – 7)4.(6x + 9)(3x – 3)"— Presentation transcript:

1

2 Notes for April 28 th

3 Answers to Warm-Up 1.2. 3.(x – 4)(x – 7)4.(6x + 9)(3x – 3)

4 Answers to Warm-Up 5.6. 7.8.

5 Word of the Day Quadratic an equation or expression that is taken to the second power

6 Today's Objective IWBAT to solve quadratic equations by factoring.

7 Definition Quadratic Equation – An equation that is taken to the second power that has 2 solutions for answers. 2 solutions?! Yikes!

8 Standard Form Quadratic equations are of the form: You can NOT solve it if it is not in this form

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10 How to Solve Quadratic Equations 1.)Put the equation into standard form. 2.)Factor the equation 3.)Set the factors equal to 0. ** This is called the Zero Product Property 4.)Solve for both x’s 5.)Put your solution in proper form x 2 + 11x + 24 (x + 3)(x + 8) x + 3 = 0 x + 8 = 0 x = -3 x = -8 x = -3, -8

11 I need to see another example NOW!!

12 Example #1

13 Example #2 When you have a binomial squared, you only have 1 solution!

14 Time for some whiteboard practice!

15 Whiteboard Problem #1

16 Whiteboard Problem #2

17 Whiteboard Practice #3

18 Whiteboard Practice #4

19 Whiteboard Practice #5

20 Whiteboard Practice #6

21 Please put your whiteboards back but …

22 Exit Quiz Factor.Solve.


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