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Lesson 13-2 Pages 674-677

Lesson 13-2 Pages 674-677. Adding Polynomials. What you will learn!. How to add polynomials. Vocabulary. What you really need to know!. Add polynomials by combining like terms, which are monomials that contain the same variables to the same power. Example 1: Find the sum:.

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Lesson 13-2 Pages 674-677

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  1. Lesson 13-2Pages 674-677 Adding Polynomials

  2. What you will learn! • How to add polynomials.

  3. Vocabulary

  4. What you really need to know! Add polynomials by combining like terms, which are monomials that contain the same variables to the same power.

  5. Example 1: Find the sum: (9w – 4) + (w +5)

  6. Example 1b: Find the sum: (6x2 – 3x + 1) + (x2 + x – 1)

  7. Example 1c: Find the sum: 5a3 + (2a – 4a) + 7 5a3 + -2a + 7 5a3 – 2a + 7

  8. Example 1d: Find the sum: (4x2 – 3y2) + (x2 + 4xy + y2)

  9. Example 2: The length of a rectangle is 3x2 + 2x – 5 units and the width is 8x – 1 units. Find the perimeter.

  10. Example 2:

  11. Example 3: The length of a rectangle is 3x2 + 2x – 5 units and the width is 8x – 1 units. Find the length of the rectangle if x = -3.

  12. 3x2 + 2x – 5 ; x = -3 3(-3)2 + 2(-3) – 5 3(9) + 2(-3) – 5 27 + -6 – 5 21 – 5 16 units

  13. Page 676 Guided Practice #’s 4-10

  14. Read: Pages 674-675 with someone at home and study examples!

  15. Homework: Pages 676-677 #’s 12-28 even #’s 34-48 all

  16. Page 756 Lesson 13-2

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