1. Lesson 1­2.notebook September 06, 2012
Lesson 1.2:
FYI...to "evaluate" an expression means to find its value.
Order of Operations:
Please­­>Parentheses ­ or any grouping symbols
Excuse­­>exponents, powers, roots
My Dear­­>multiply & divide = left to right
Aunt Sally­­>add & subtract = left to right
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2. Lesson 1­2.notebook September 06, 2012
(Examples) ­ Lesson 1.2:
Evaluate.
A) 30 ­ 14 2
B) [8(2) ­ 42] + 7(4)
C) 8 + 33
12 ­ 7
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3. Lesson 1­2.notebook September 06, 2012
D) 108 [3(9 + 32)]
Evaluate each expression if a = 2, b = 3, and c = 11.
E) b2 + (a3 ­ 8)5
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4. Lesson 1­2.notebook September 06, 2012
F) c2 + 8bc + b2
Evaluate the following if a = 8, b = 4, and c = 16.
G) c2 + b2
b2 a2
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