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Lesson 4.2 Page 180 Simplifying Algebraic Expressions

Lesson 4.2 Page 180 Simplifying Algebraic Expressions. Vocabulary Chapter 4 Lessons 4.1 and 4.2 Equivalent Expressions - Expressions with the same value Term - Addition and Subtraction signs separate an algebraic expression into parts

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Lesson 4.2 Page 180 Simplifying Algebraic Expressions

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  1. Lesson 4.2 Page 180 Simplifying Algebraic Expressions

  2. Vocabulary Chapter 4 Lessons 4.1 and 4.2 Equivalent Expressions - Expressions with the same value Term - Addition and Subtraction signs separate an algebraic expression into parts Coefficient - Part of a term that has a variable Like Terms - Terms that contain the same variable Constant - Term without a variable Simplest Form - Algebraic expression with no like terms and no parentheses

  3. Today we will look at examples 1 and 2 Page 182 - 183

  4. Identify Parts of an Expression Expression Terms Like Terms Coefficients Constant 3x + 4y + 4x 5x + 3 + 7x + 4 6x - 2y + x - 5 3n + 5m - 6m + 2

  5. Identify Parts of an Expression Expression Terms Like Terms Coefficients Constant 3x + 4y + 4x 5x + 3 + 7x + 4 6x - 2y + x - 5 3n + 5m - 6m + 2

  6. Identify Parts of an Expression Expression Terms Like Terms Coefficients Constant -2a + 3a + 5b 2x + 3x + 4 + 4x mn + 4m + 6n + 2mn 3a + 5b + 4 + 6a 3x + 4x + 5y -4p - 6q - 5

  7. Questions?

  8. Page 181 Problems 15 - 20 Identify the parts of the expression 16. 4m + 3 + m + 1 18. 7j + 11jk + k + 9 20. 3m + 3n + 2p + 4r Terms Like Terms Coefficients Constants

  9. Page 181 Problems 15 - 20 Identify the parts of the expression 16. 4m + 3 + m + 1 18. 7j + 11jk + k + 9 20. 3m + 3n + 2p + 4r Terms Like Terms Coefficients Constants

  10. Today we will work problems like example 3 Page 181 We will Simplify Expressions Remember Simplify Form means you have grouped (combined) like terms

  11. Group like terms 4x + 6 + 2x 5n + 2 - n - 6

  12. 6y - 3(x - 2y) 4x + 6 - 3x

  13. 2m + 3 - 7n - 4 4(q + 8p) + p

  14. Page 182 - 183 Work problems 12 and 32 4a - 6 - 2(a - 1) -2(2x - 5) - 4x

  15. Page 183 Problem 44

  16. Page 183 Problem 44 rewrite

  17. Page 183 Problem 44 multiplying remove () by

  18. Page 183 Problem 44 multiplying remove () by get common denominator

  19. Page 183 Problem 44 multiplying remove () by get common denominator combine like terms

  20. Page 183 Problem 44 multiplying remove () by get common denominator combine like terms

  21. Questions?

  22. Assignment Simplify Each Expression Page 182 - 183 Problems 7 - 11 and 21 - 31 and 37 - 44 32 Group Like Terms

  23. 7. 6x + 2x + 3 8. -2a + 3a + 6 9. 7x + 4 -5x -8

  24. 10. 5a - 2 - 3a + 7 11. -3(m-1) + 4m + 2

  25. 21. 4a + 3a 22. 9x + 2x

  26. 23. - 5m + m + 5 24. 6x - x + 3

  27. 25. 7p + 3 + 4p + 5 26. 2a + 4 + 2a + 9

  28. 27. 4a - 3b - 7a - 3b 28. -x -2y -8x - 2y

  29. 29. x + 5(6 + x) 30. 2a + 3(2 + a)

  30. 31. -3(6 - 2r) - 3r

  31. More complex problems Page 183

  32. Page 183 Problems 37 - 44

  33. Page 183 Problems 37 - 44

  34. Page 183 Problems 37 - 44

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