1.3 evaluating expressions notes
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Transcript of 1.3 evaluating expressions notes
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 1
August 18, 2011
1. [3(5) + 1] 2
2. 9 + 8 2 + 4
3. 7
2
− (3 ∗ 2 +1)
4. [30/(5) + 1] 32
5. 1 + 2 8 4
Bellwork
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 2
August 18, 2011
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 3
August 18, 2011
Evaluate replace each variable with a number. Then use the order of operations to simplify.
Evaluate 4y 15 for y = 9
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 4
August 18, 2011
Evaluate 4(t + 3) + 1, for t = 8
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 5
August 18, 2011
Evaluate 3ab + c , a = 2, b = 5, c = 10 2
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 6
August 18, 2011
Evaluate
2xy z , x = 4, y = 3, z = 1
r + s , r = 13 and s = 11 2
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 7
August 18, 2011
Energy drinks come in cases of 24 bottles. a. Write a variable expression for the number of cases a store should order to get b bottles of energy drinks. b. Evaluate the expression for 120 bottles.
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 8
August 18, 2011
An online music store charges $14 for each CD. Shipping costs $6 per order.
Write a variable expression for the cost of ordering CDs.
Find the cost of ordering 4 CDs.
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1.3 Evaluating Expressions
HW pg. 16 #114, 2030 evens 9
August 18, 2011
HWpg 16 # 1 14 all# 20 30 even