PREALGEBRA
15th Edition
ISBN: 9781938168994
Author: OpenStax
Publisher: OpenStax
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Textbook Question
Chapter 3.4, Problem 279E
Stock market Javier owns 300 shares of stock in one company. On Tuesday, the stock price dropped $12 per share. What was the total effect on Javier’s portfolio?
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Assume {u1, U2, u3, u4} does not span R³.
Select the best statement.
A. {u1, U2, u3} spans R³ if u̸4 is a linear combination of other vectors in the set.
B. We do not have sufficient information to determine whether {u₁, u2, u3} spans R³.
C. {U1, U2, u3} spans R³ if u̸4 is a scalar multiple of another vector in the set.
D. {u1, U2, u3} cannot span R³.
E. {U1, U2, u3} spans R³ if u̸4 is the zero vector.
F. none of the above
Select the best statement.
A. If a set of vectors includes the zero vector 0, then the set of vectors can span R^ as long as the other vectors
are distinct.
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B. If a set of vectors includes the zero vector 0, then the set of vectors spans R precisely when the set with 0
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○ C. If a set of vectors includes the zero vector 0, then the set of vectors can span Rn as long as it contains n
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○ D. If a set of vectors includes the zero vector 0, then there is no reasonable way to determine if the set of vectors
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E. If a set of vectors includes the zero vector 0, then the set of vectors cannot span Rn.
F. none of the above
Which of the following sets of vectors are linearly independent? (Check the boxes for linearly independent sets.)
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{
7
4
3
13
-9
8
-17
7
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0
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3
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0
☐
D.
-5
☐ E.
3
☐ F.
4
TH
Chapter 3 Solutions
PREALGEBRA
Ch. 3.1 - TRY IT:: 3.1 Plot the numbers on a number line. a....Ch. 3.1 - TRY IT:: 3.2 Plot the numbers on a number line. a....Ch. 3.1 - TRY IT:: 3 Order each of the following pairs of...Ch. 3.1 - TRY IT:: 3.4 Order each of the following pairs of...Ch. 3.1 - TRYIT:: 3.5 Find the opposite of each number: a. 4...Ch. 3.1 - TRY IT:: 3.6 Find the opposite of each number: a....Ch. 3.1 - Try IT:: 3.7 Simplify: (1)Ch. 3.1 - Try IT:: 3.8 Simplify: (5)Ch. 3.1 - TRY IT:: 3.9 Evaluate n: a. when n=4 b. when n=4Ch. 3.1 - TRY IT:: 3.10 Evaluate: m: a. when m=11 b. when...
Ch. 3.1 - Try IT:: 3.11 Simplify: a. |12| b. |28|Ch. 3.1 - TRYIT:: 3.12 Simplify: a.|9| b.(b)-|37|Ch. 3.1 - TRYIT:: 3.13 Evaluate: a. |x|when x=17 b. |y|when...Ch. 3.1 - TRY IT:: 3.14 a. |y|when y=23 b. |y|when y=21 c....Ch. 3.1 - TRY IT:: 3.15 Fill in <, >, or = for each of the...Ch. 3.1 - TRY IT:: 3.16 Fill in <, >, or = for each of the...Ch. 3.1 - TRY IT:: 3.17 Simplify: a. |129| b. 3|6|Ch. 3.1 - TRY IT:: 3.18 Simplify: a. |2716| b. 9|7|Ch. 3.1 - TRY IT:: 3.19 Simplify: |1+8||2+5|Ch. 3.1 - TRY IT:: 3.20 Simplify: |95||76|Ch. 3.1 - TRY IT:: 3.21 Simplify: 19|114(31)|Ch. 3.1 - TRY IT:: 3.22 Simplify: 9|84(75)|Ch. 3.1 - TRY IT:: 3.23 Translate each phrase into an...Ch. 3.1 - TRY IT:: 3.24 Translate each phrase into an...Ch. 3.1 - TRY IT:: 3.25 Translate into an expression with...Ch. 3.1 - TRY IT:: 3.26 Translate into an expression with...Ch. 3.1 - In the following exercises, locate and label the...Ch. 3.1 - In the following exercises, locate and label the...Ch. 3.1 - In the following exercises, locate and label the...Ch. 3.1 - In the following exercises, locate and label the...Ch. 3.1 - In the following exercises, order each of the...Ch. 3.1 - In the following exercises, order each of the...Ch. 3.1 - In the following exercises, order each of the...Ch. 3.1 - In the following exercises, order each of the...Ch. 3.1 - In the following exercises, find the opposite of...Ch. 3.1 - In the following exercises, find the opposite of...Ch. 3.1 - In the following exercises, find the opposite of...Ch. 3.1 - In the following exercises, find the opposite of...Ch. 3.1 - In the following exercises, simplify. -(-4)Ch. 3.1 - In the following exercises, simplify. -(-8)Ch. 3.1 - In the following exercises, simplify. -(-15)Ch. 3.1 - In the following exercises, simplify. -(-11)Ch. 3.1 - In the following exercises, evaluate. mwhen a. m=3...Ch. 3.1 - In the following exercises, evaluate. pwhen a. p=6...Ch. 3.1 - In the following exercises, evaluate. cwhen a....Ch. 3.1 - In the following exercises, evaluate. dwhen a....Ch. 3.1 - In the following exercises, simplify each absolute...Ch. 3.1 - In the following exercises, simplify each absolute...Ch. 3.1 - In the following exercises, simplify each absolute...Ch. 3.1 - In the following exercises, simplify each absolute...Ch. 3.1 - In the following exercises, evaluate each absolute...Ch. 3.1 - In the following exercises, evaluate each absolute...Ch. 3.1 - In the following exercises, evaluate each absolute...Ch. 3.1 - In the following exercises, evaluate each absolute...Ch. 3.1 - In the following exercises, fill in <, >, or = to...Ch. 3.1 - In the following exercises, fill in <, >, or = to...Ch. 3.1 - In the following exercises, fill in <, >, or = to...Ch. 3.1 - In the following exercises, fill in <, >, or = to...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - wIn the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - In the following exercises, simplify each...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Translate each phrase into an expression with...Ch. 3.1 - Elevation The highest elevation in the United...Ch. 3.1 - Extreme temperatures The highest recorded...Ch. 3.1 - State budgets In June, 2011, the state of...Ch. 3.1 - College enrollments Across the United States,...Ch. 3.1 - Give an example of a negative number from your...Ch. 3.1 - What are the three uses of the “-” sign in...Ch. 3.2 - TRY IT :: 3.27 Model the expression. 2+4Ch. 3.2 - TRY IT : : 3.28 Model the expression. 2+5Ch. 3.2 - TRY IT :: 3.29 Model the expression. 2+(4)Ch. 3.2 - TRY IT :: 3.30 Model the expression. 2+(5)Ch. 3.2 - TRY IT :: 3.31 Model the expression, and then...Ch. 3.2 - TRY IT :: 3.32 Model the expression, and then...Ch. 3.2 - TRY IT :: 3.33 Model the expression, and then...Ch. 3.2 - TRY IT :: 3.34 Model the expression: (2)+5Ch. 3.2 - TRY IT :: 3.35 Model each addition. a. 3+4 b. 1+4...Ch. 3.2 - TRY IT :: 3.36 a. 5+1 b. 3+7 c. 2+(8) d. 3+(4)Ch. 3.2 - TRY IT :: 3.37 Simplify each expression: a....Ch. 3.2 - TRY IT :: 3.38 Simplify each expression: a. 55+9...Ch. 3.2 - TRY IT :: 3.39 Simplify each expression: 31+(19)Ch. 3.2 - TRY IT :: 3.40 Simplify each expression: 42+(28)Ch. 3.2 - TRY IT :: 3.41 Simplify each expression: 2+5(4+7)Ch. 3.2 - TRY IT :: 3.42 Simplify each expression: 4+2(3+5)Ch. 3.2 - TRY IT :: 3.43 Evaluate each expression for the...Ch. 3.2 - TRY IT :: 3.44 Evaluate each expression for the...Ch. 3.2 - TRY IT :: 3.45 When n=8, Evaluate a. n+2 b. n+2Ch. 3.2 - TRY IT :: 3.46 When y=9, evaluate a. y+8 b. y+8Ch. 3.2 - TRY IT :: 3.47 Evaluate the expression: a+2bwhen...Ch. 3.2 - TRY IT :: 3.48 Evaluate the expression: 5p+qwhen...Ch. 3.2 - TRY IT :: 3.49 Evaluate: (x+y)2when x=15and y=29.Ch. 3.2 - TRY IT :: 3.50 Evaluate: (x+y)3when x=8and y=10.Ch. 3.2 - TRY IT :: 3.51 Translate and simplify the...Ch. 3.2 - TRY IT :: 3.52 Translate and simplify the...Ch. 3.2 - TRY IT :: 3.53 Translate and simplify: the sum of...Ch. 3.2 - TRY IT :: 3.54 Translate and simplify: the sum of...Ch. 3.2 - TRY IT :: 3.55 The temperature in Chicago at 5...Ch. 3.2 - TRY IT :: 3.56 A scuba diver was swimming 16 feet...Ch. 3.2 - TRY IT :: 3.57 The Bears took possession of the...Ch. 3.2 - TRY IT:: 3.58 The Chargers began with the football...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, model the expression...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - yIn the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - In the following exercises, simplify each...Ch. 3.2 - 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Temperature The...Ch. 3.2 - In the following exercises, solve. Temperature The...Ch. 3.2 - In the following exercises, solve. Credit Cards...Ch. 3.2 - In the following exercises, solve. Credit Cards...Ch. 3.2 - In the following exercises, solve. Weight Loss...Ch. 3.2 - In the following exercises, solve. Weight Loss...Ch. 3.2 - In the following exercises, solve. Football The...Ch. 3.2 - In the following exercises, solve. Football The...Ch. 3.2 - In the following exercises, solve. Calories...Ch. 3.2 - In the following exercises, solve. Calories Ozzie...Ch. 3.2 - In the following exercises, solve. Stock Market...Ch. 3.2 - In the following exercises, solve. Stock Market...Ch. 3.2 - In the following exercises, solve. Explain why the...Ch. 3.2 - In the following exercises, solve. Give an example...Ch. 3.3 - TRY IT :: 3.59 Model the expression: 64Ch. 3.3 - wTRY IT :: 3.60 Model the expression: 74Ch. 3.3 - TRY IT :: 3.61 Model the expression: 6(4)Ch. 3.3 - TRY IT :: 3.62 Model the expression: 7(4)Ch. 3.3 - TRY IT :: 3.63 Model the expression: 64Ch. 3.3 - TRY IT :: 3.64 Model the expression: 74Ch. 3.3 - TRY IT :: 3.65 Model the expression: 6(4)Ch. 3.3 - TRY IT :: 3.66 Model the expression: 7(4)Ch. 3.3 - TRY IT :: 3.67 Model each subtraction. a. 7(8) b....Ch. 3.3 - yTRY IT :: 3.68 Model each subtraction. a. 4(6) b....Ch. 3.3 - TRY IT :: 3.69 Model each subtraction expression....Ch. 3.3 - TRY IT :: 3.70 Model each subtraction expression....Ch. 3.3 - TRY IT :: 3.71 Simplify each expression: a.sw...Ch. 3.3 - TRY IT :: 3.72 Simplify each expression: a. 157and...Ch. 3.3 - TRY IT :: 3.73 Simplify each expression: a....Ch. 3.3 - TRY IT :: 3.74 Simplify each expression: a....Ch. 3.3 - TRY IT :: 3.75 Simplify the expression: 67(38)Ch. 3.3 - TRY IT :: 3.76 Simplify the expression: 83(57)Ch. 3.3 - TRY IT :: 3.77 Simplify the expression: 8(31)9Ch. 3.3 - TRY IT :: 3.78 Simplify the expression: 12(96)14Ch. 3.3 - TRY IT :: 3.79 Simplify the expression: 629189.Ch. 3.3 - TRY IT :: 3.80 Simplify the expression: 253749Ch. 3.3 - TRY IT :: 3.81 Evaluate each expression: y7when a....Ch. 3.3 - TRY IT :: 3.82 Evaluate each expression: m3when a....Ch. 3.3 - TRY IT :: 3.83 Evaluate each expression: 17kwhen...Ch. 3.3 - TRY IT :: 3.84 Evaluate each expression: sw 5bwhen...Ch. 3.3 - TRY IT :: 3.85 Translate and simplify: a. the...Ch. 3.3 - TRY IT :: 3.86 Translate and simplify: a. the...Ch. 3.3 - TRY IT :: 3.87 The temperature in Anchorage,...Ch. 3.3 - TRY IT :: 3.88 The temperature in Denver was -6...Ch. 3.3 - TRY IT :: 3.89 One day, John hiked to the 10,023...Ch. 3.3 - TRY IT :: 3.90 The submarine Nautilus is at 340...Ch. 3.3 - TRY IT :: 3.91 Araceli has $75 in her checking...Ch. 3.3 - TRY IT :: 3.92 Genevieve’s bank account was...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, model each expression...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - In the following exercises, simplify each...Ch. 3.3 - 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TRY IT :: 3.101 Simplify: 8(3)+5(7)4Ch. 3.4 - TRY IT :: 3.102 Simplify: 9(3)+7(8)1Ch. 3.4 - TRY IT :: 3.103 Simplify: a.(3)4 b. 34Ch. 3.4 - TRY IT :: 3.104 Simplify: a. (7)2 b.72Ch. 3.4 - TRY IT :: 3.105 Simplify: 174(811)Ch. 3.4 - TRY IT :: 3.106 Simplify: 166(713)Ch. 3.4 - TRY IT :: 3.107 Simplify: sw 12(9)(3)3Ch. 3.4 - TRY IT :: 3.108 Simplify: 18(4)(2)3Ch. 3.4 - TRY IT :: 3.109 Simplify: 273+(5)(6)Ch. 3.4 - TRY IT :: 3.110 Simplify: 324+(2)(7)Ch. 3.4 - TRY IT :: 3.111 Evaluate: 3x22x+6when x=3Ch. 3.4 - TRY IT :: 3.112 Evaluate: 4x2x5when x=2Ch. 3.4 - TRY IT :: 3.113 Evaluate: 7x+6y12when x=2and y=3Ch. 3.4 - TRY IT :: 3.114 Evaluate: 8x6y+13when x=3and y=5Ch. 3.4 - TRY IT :: 3.115 Translate to an algebraic...Ch. 3.4 - TRY IT :: 3.116 Translate to an algebraic...Ch. 3.4 - TRY IT :: 3.117 Translate to an algebraic...Ch. 3.4 - TRY IT :: 3.118 Translate to an algebraic...Ch. 3.4 - In the following exercises, multiply each pair of...Ch. 3.4 - In the following exercises, multiply each pair of...Ch. 3.4 - In the following exercises, multiply each pair of...Ch. 3.4 - In the following exercises, multiply each pair of...Ch. 3.4 - In the following exercises, multiply each pair of...Ch. 3.4 - 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