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.
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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.
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
30. a. which numbers are divisible by 2 and 3?10 66 898 4,710 975
p. 188
x4 means the opposite of x to the fourth power
(x)4 means negative x to the fourth power
Evaluate each for x = 2
24 = 2 * 2 * 2 * 2 = 16
(2)4 = (2)(2)(2)(2) = 16
You try: Evaluate x4 and (x)4, for x = 3
x4 = 34 = 3 * 3 * 3 * 3 = 81
(x)4 = (3)4 = (3)(3)(3)(3) = 81
ifa negative sign is NOTin
parenthesis, the answer
is Alwaysnegative
Using Order of Operations
Simplify 2(3 + 4)2
2(7)2
Parenthesis2*49
Exponents 98
Your turn.
1. Simplify 2 * 52 + 4 * (3)3
2 * 25 + 4 * 27 50 + 108
58
Evaluate 3x3 + 4y for x = (2) and y = 4
3(2)3 + 4 * 4
3 * 8 + 4 * 4 24 + 16
40
2. Evaluate 3a2 + 6, for a = 5
3(5)2 + 6 3 * 25 + 6 75 + 6
81
Simplify
- 82
+ (12 - 14)
-4 + (-2) -6
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