1. Agenda Tuesday, Nov. 17 homework 7 p. 188 # 18 - 23 ?questions on project? Save all your work in a Thanksgiving Project folder and share with me all at once. correct homework More practice with order of operations and evaluating expressions with exponents.

2. p. 182 # 22 - 30 Is the number divisible by 2, 3, 5, 9, or 10? 22. 111 23. 131 24. 288 25. 300 26. 52 27. 891 28. 4,805 29. 437,684

3. 30. a. which numbers are divisible by 2 and 3? 10 66 898 4,710 975 p. 188

7. -x 4 means the opposite of x to the fourth power (-x) 4 means negative x to the fourth power Evaluate each for x = 2 -2 4 = -2 * 2 * 2 * 2 = -16 (-2) 4 = (-2)(-2)(-2)(-2) = 16 You try: Evaluate -x 4 and (-x) 4 , for x = 3 -x 4 = -3 4 = -3 * 3 * 3 * 3 = -81 (-x) 4 = (-3) 4 = (-3)(-3)(-3)(-3) = 81 ifa negative sign is NOTin parenthesis, the answer is Always negative

8. Using Order of Operations Simplify 2(3 + 4) 2 2(7) 2 Parenthesis 2*49 Exponents 98

9. Your turn. 1. Simplify 2 * 5 2 + 4 * (-3) 3 2 * 25 + 4 * -27 50 + - 108 -58

10. Evaluate -3x 3 + 4y for x = (-2) and y = 4 -3(-2) 3 + 4 * 4 -3 * -8 + 4 * 4 24 + 16 40

11. 2. Evaluate 3a 2 + 6, for a = -5 3(-5) 2 + 6 3 * 25 + 6 75 + 6 81

12. -4 + (-2) -6 Simplify - 8 2 + (12 - 14)

13. Attachments