Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN: 9781305658004
Author: Ron Larson
Publisher: Cengage Learning
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Chapter 1.CR, Problem 28CR
To determine
Whether the matrix
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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.
n
B. If a set of vectors includes the zero vector 0, then the set of vectors spans R precisely when the set with 0
excluded spans Rª.
○ 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
vectors.
○ D. If a set of vectors includes the zero vector 0, then there is no reasonable way to determine if the set of vectors
spans Rn.
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
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13
-9
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☐ B.
0
-8
3
☐ C.
0
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D.
-5
☐ E.
3
☐ F.
4
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Chapter 1 Solutions
Elementary Linear Algebra (MindTap Course List)
Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Linear Equations. In Exercises 1-6, determine...Ch. 1.1 - Parametric Representation. In Exercises 7-10, find...Ch. 1.1 - Parametric Representation. In Exercises 7-10, find...Ch. 1.1 - Parametric Representation. In Exercises 7-10, find...Ch. 1.1 - Parametric Representation. In Exercises 7-10, find...
Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Prob. 22ECh. 1.1 - Prob. 23ECh. 1.1 - Graphing Analysis. In Exercises 11-24, graph the...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Back-Substitution. In Exercises 25-30, use...Ch. 1.1 - Prob. 31ECh. 1.1 - Graphical Analysis. In Exercises 31-36, complete...Ch. 1.1 - Graphical Analysis. In Exercises 31-36, complete...Ch. 1.1 - Prob. 34ECh. 1.1 - Prob. 35ECh. 1.1 - Graphical Analysis. In Exercises 31-36, complete...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - Prob. 38ECh. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - Prob. 40ECh. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - Prob. 43ECh. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 37-56,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - System of Linear Equations. In Exercises 57-62,...Ch. 1.1 - Number of Solutions. In Exercises 63-66, state why...Ch. 1.1 - Number of Solutions. In Exercises 63-66, state why...Ch. 1.1 - Number of Solutions. In Exercises 63-66, state why...Ch. 1.1 - Number of Solutions. In Exercises 63-66, state why...Ch. 1.1 - Nutrition One eight-ounce glass of apple juice and...Ch. 1.1 - Airplane Speed Two planes start from Los Angeles...Ch. 1.1 - True or False? In Exercises 69 and 70, determine...Ch. 1.1 - True or False? In Exercises 69 and 70, determine...Ch. 1.1 - Find a system of two equations in two variables,...Ch. 1.1 - Find a system of two equations in three variables,...Ch. 1.1 - Substitution In Exercises 73-76, solve the system...Ch. 1.1 - Substitution In Exercises 73-76, solve the system...Ch. 1.1 - Prob. 75ECh. 1.1 - Substitution In Exercises 73-76, solve the system...Ch. 1.1 - Prob. 77ECh. 1.1 - Trigonometric Coefficients In Exercises 77 and 78,...Ch. 1.1 - Coefficient Design In Exercises 79-84, determine...Ch. 1.1 - Coefficient Design In Exercises 79-84, determine...Ch. 1.1 - Coefficient Design In Exercises 79-84, determine...Ch. 1.1 - Coefficient Design In Exercises 79-84, determine...Ch. 1.1 - Prob. 83ECh. 1.1 - Coefficient Design In Exercises 79-84, determine...Ch. 1.1 - Determine the values of k such that the system of...Ch. 1.1 - CAPSTONE Find values of a, b, and c such that the...Ch. 1.1 - Writing Consider the system of linear equations in...Ch. 1.1 - Writing Explain why the system of linear equations...Ch. 1.1 - Show that if ax2+bx+c=0 for all x, then a=b=c=0.Ch. 1.1 - Consider the system of linear equations in x and...Ch. 1.1 - Discovery In Exercises 91 and 92, sketch the lines...Ch. 1.1 - Discovery In Exercises 91 and 92, sketch the lines...Ch. 1.1 - Prob. 93ECh. 1.1 - Writing In Exercises 93 and 94, the graphs of the...Ch. 1.2 - Matrix sizeIn Exercises 1-6, determine the size of...Ch. 1.2 - Matrix sizeIn Exercises 1-6, determine the size of...Ch. 1.2 - Matrix sizeIn Exercises 1-6, determine the size of...Ch. 1.2 - Prob. 4ECh. 1.2 - Matrix sizeIn Exercises 1-6, determine the size of...Ch. 1.2 - Prob. 6ECh. 1.2 - Elementary Row Operations In Exercises 7-10,...Ch. 1.2 - Elementary Row Operations In Exercises 7-10,...Ch. 1.2 - Elementary Row Operations In Exercises 7-10,...Ch. 1.2 - Elementary Row Operations In Exercises 7-10,...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Augmented Matrix In Exercises 11-18, find the...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - Row-Echelon Form In Exercises 19-24, determine...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - Prob. 36ECh. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - System of Linear Equations In Exercises 25-38,...Ch. 1.2 - Prob. 39ECh. 1.2 - Prob. 40ECh. 1.2 - Prob. 41ECh. 1.2 - System of Linear Equations In Exercises 39-42, use...Ch. 1.2 - Homogeneous System In Exercises 43-46, solve the...Ch. 1.2 - Homogeneous System In Exercises 43-46, solve the...Ch. 1.2 - Homogeneous System In Exercises 43-46, solve the...Ch. 1.2 - Homogeneous System In Exercises 43-46, solve the...Ch. 1.2 - Prob. 47ECh. 1.2 - Prob. 48ECh. 1.2 - Matrix Representation In Exercises 49 and 50,...Ch. 1.2 - Matrix Representation In Exercises 49 and 50,...Ch. 1.2 - Coefficient Design In Exercises 51 and 52, find...Ch. 1.2 - Coefficient Design In Exercises 51 and 52, find...Ch. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Prob. 55ECh. 1.2 - Prob. 56ECh. 1.2 - Prob. 57ECh. 1.2 - Prob. 58ECh. 1.2 - True or False? In Exercises 59 and 60, determine...Ch. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Row Equivalence In Exercises 63 and 64, determine...Ch. 1.2 - Homogeneous System In Exercises 65 and 66, find...Ch. 1.2 - Prob. 66ECh. 1.2 - Prob. 67ECh. 1.2 - CAPSTONE In your own words, describe the...Ch. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Prob. 3ECh. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Prob. 6ECh. 1.3 - Prob. 7ECh. 1.3 - Prob. 8ECh. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Prob. 10ECh. 1.3 - Prob. 11ECh. 1.3 - Polynomial Curve Fitting In Exercises 1-12,a...Ch. 1.3 - Use sin0=0, sin2=1, and sin=0 to estimate sin3.Ch. 1.3 - Use log21=0,log22=1, and log24=2 to estimate...Ch. 1.3 - Prob. 15ECh. 1.3 - Prob. 16ECh. 1.3 - Prob. 17ECh. 1.3 - Population The table shows the U.S. populations...Ch. 1.3 - Prob. 19ECh. 1.3 - Prob. 20ECh. 1.3 - Network Analysis The figure shows the flow of...Ch. 1.3 - Network Analysis The figure shows the flow of...Ch. 1.3 - Network Analysis The figure shows the flow of...Ch. 1.3 - Network Analysis Water is flowing through a...Ch. 1.3 - Prob. 25ECh. 1.3 - Prob. 26ECh. 1.3 - Prob. 27ECh. 1.3 - Prob. 28ECh. 1.3 - Temperature In Exercises 29 and 30, the figure...Ch. 1.3 - Temperature In Exercises 29 and 30, the figure...Ch. 1.3 - Partial Fraction Decomposition In Exercises 3134,...Ch. 1.3 - Partial Fraction Decomposition In Exercises 3134,...Ch. 1.3 - Prob. 33ECh. 1.3 - Prob. 34ECh. 1.3 - Calculus In Exercises 35 and 36, find the values...Ch. 1.3 - Prob. 36ECh. 1.3 - Calculus The graph of a parabola passes through...Ch. 1.3 - Calculus The graph of a cubic polynomial function...Ch. 1.3 - Prob. 39ECh. 1.3 - Prob. 40ECh. 1.3 - Prob. 41ECh. 1.3 - Prob. 42ECh. 1.CR - Linear Equations In Exercises 1-6, determine...Ch. 1.CR - Linear Equations In Exercises 1-6, determine...Ch. 1.CR - Prob. 3CRCh. 1.CR - Prob. 4CRCh. 1.CR - Prob. 5CRCh. 1.CR - Prob. 6CRCh. 1.CR - Prob. 7CRCh. 1.CR - Parametric Representation In Exercises 7 and 8,...Ch. 1.CR - Prob. 9CRCh. 1.CR - Prob. 10CRCh. 1.CR - Prob. 11CRCh. 1.CR - System of Linear Equations In Exercises 9-20,...Ch. 1.CR - Prob. 13CRCh. 1.CR - Prob. 14CRCh. 1.CR - Prob. 15CRCh. 1.CR - System of Linear Equations In Exercises 9-20,...Ch. 1.CR - Prob. 17CRCh. 1.CR - Prob. 18CRCh. 1.CR - Prob. 19CRCh. 1.CR - Prob. 20CRCh. 1.CR - Prob. 21CRCh. 1.CR - Prob. 22CRCh. 1.CR - Prob. 23CRCh. 1.CR - Prob. 24CRCh. 1.CR - Prob. 25CRCh. 1.CR - Prob. 26CRCh. 1.CR - Prob. 27CRCh. 1.CR - Prob. 28CRCh. 1.CR - Prob. 29CRCh. 1.CR - Prob. 30CRCh. 1.CR - Prob. 31CRCh. 1.CR - Prob. 32CRCh. 1.CR - Prob. 33CRCh. 1.CR - Prob. 34CRCh. 1.CR - Prob. 35CRCh. 1.CR - System of Linear Equations In Exercises 31-40,...Ch. 1.CR - Prob. 37CRCh. 1.CR - System of Linear Equations In Exercises 31-40,...Ch. 1.CR - Prob. 39CRCh. 1.CR - Prob. 40CRCh. 1.CR - Prob. 41CRCh. 1.CR - Prob. 42CRCh. 1.CR - Prob. 43CRCh. 1.CR - Prob. 44CRCh. 1.CR - Prob. 45CRCh. 1.CR - Prob. 46CRCh. 1.CR - Homogeneous System In Exercises 47-50, solve the...Ch. 1.CR - Prob. 48CRCh. 1.CR - Prob. 49CRCh. 1.CR - Prob. 50CRCh. 1.CR - Prob. 51CRCh. 1.CR - Prob. 52CRCh. 1.CR - Prob. 53CRCh. 1.CR - Find if possible values of a,b, and c such that...Ch. 1.CR - Prob. 55CRCh. 1.CR - Prob. 56CRCh. 1.CR - Prob. 57CRCh. 1.CR - Find all values of for which the homogeneous...Ch. 1.CR - Prob. 59CRCh. 1.CR - Prob. 60CRCh. 1.CR - Sports In Super Bowl I, on January 15, 1967, the...Ch. 1.CR - Agriculture A mixture of 6 gallons of chemical A,...Ch. 1.CR - Prob. 63CRCh. 1.CR - Prob. 64CRCh. 1.CR - Prob. 65CRCh. 1.CR - Prob. 66CRCh. 1.CR - Prob. 67CRCh. 1.CR - Prob. 68CRCh. 1.CR - Prob. 69CRCh. 1.CR - Prob. 70CRCh. 1.CR - Prob. 71CRCh. 1.CR - Network Analysis Determine the currents I1,I2, and...
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- 3 and = 5 3 ---8--8--8 Let = 3 U2 = 1 Select all of the vectors that are in the span of {u₁, u2, u3}. (Check every statement that is correct.) 3 ☐ A. The vector 3 is in the span. -1 3 ☐ B. The vector -5 75°1 is in the span. ГОЛ ☐ C. The vector 0 is in the span. 3 -4 is in the span. OD. The vector 0 3 ☐ E. All vectors in R³ are in the span. 3 F. The vector 9 -4 5 3 is in the span. 0 ☐ G. We cannot tell which vectors are i the span.arrow_forward(20 p) 1. Find a particular solution satisfying the given initial conditions for the third-order homogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y(3)+2y"-y-2y = 0; y(0) = 1, y'(0) = 2, y"(0) = 0; y₁ = e*, y2 = e¯x, y3 = e−2x (20 p) 2. Find a particular solution satisfying the given initial conditions for the second-order nonhomogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y"-2y-3y = 6; y(0) = 3, y'(0) = 11 yc = c₁ex + c2e³x; yp = −2 (60 p) 3. Find the general, and if possible, particular solutions of the linear systems of differential equations given below using the eigenvalue-eigenvector method. (See Section 7.3 in your textbook if you need a review of the subject.) = a) x 4x1 + x2, x2 = 6x1-x2 b) x=6x17x2, x2 = x1-2x2 c) x = 9x1+5x2, x2 = −6x1-2x2; x1(0) = 1, x2(0)=0arrow_forwardFind the perimeter and areaarrow_forward
- Assume {u1, U2, us} spans R³. Select the best statement. A. {U1, U2, us, u4} spans R³ unless u is the zero vector. B. {U1, U2, us, u4} always spans R³. C. {U1, U2, us, u4} spans R³ unless u is a scalar multiple of another vector in the set. D. We do not have sufficient information to determine if {u₁, u2, 43, 114} spans R³. OE. {U1, U2, 3, 4} never spans R³. F. none of the abovearrow_forwardAssume {u1, U2, 13, 14} spans R³. Select the best statement. A. {U1, U2, u3} never spans R³ since it is a proper subset of a spanning set. B. {U1, U2, u3} spans R³ unless one of the vectors is the zero vector. C. {u1, U2, us} spans R³ unless one of the vectors is a scalar multiple of another vector in the set. D. {U1, U2, us} always spans R³. E. {U1, U2, u3} may, but does not have to, span R³. F. none of the abovearrow_forwardLet H = span {u, v}. For each of the following sets of vectors determine whether H is a line or a plane. Select an Answer u = 3 1. -10 8-8 -2 ,v= 5 Select an Answer -2 u = 3 4 2. + 9 ,v= 6arrow_forward
- 3. Let M = (a) - (b) 2 −1 1 -1 2 7 4 -22 Find a basis for Col(M). Find a basis for Null(M).arrow_forwardSchoology X 1. IXL-Write a system of X Project Check #5 | Schx Thomas Edison essay, x Untitled presentation ixl.com/math/algebra-1/write-a-system-of-equations-given-a-graph d.net bookmarks Play Gimkit! - Enter... Imported Imported (1) Thomas Edison Inv... ◄›) What system of equations does the graph show? -8 -6 -4 -2 y 8 LO 6 4 2 -2 -4 -6 -8. 2 4 6 8 Write the equations in slope-intercept form. Simplify any fractions. y = y = = 00 S olo 20arrow_forwardEXERCICE 2: 6.5 points Le plan complexe est rapporté à un repère orthonormé (O, u, v ).Soit [0,[. 1/a. Résoudre dans l'équation (E₁): z2-2z+2 = 0. Ecrire les solutions sous forme exponentielle. I b. En déduire les solutions de l'équation (E2): z6-2 z³ + 2 = 0. 1-2 2/ Résoudre dans C l'équation (E): z² - 2z+1+e2i0 = 0. Ecrire les solutions sous forme exponentielle. 3/ On considère les points A, B et C d'affixes respectives: ZA = 1 + ie 10, zB = 1-ie 10 et zc = 2. a. Déterminer l'ensemble EA décrit par le point A lorsque e varie sur [0, 1. b. Calculer l'affixe du milieu K du segment [AB]. C. Déduire l'ensemble EB décrit par le point B lorsque varie sur [0,¹ [. d. Montrer que OACB est un parallelogramme. e. Donner une mesure de l'angle orienté (OA, OB) puis déterminer pour que OACB soit un carré.arrow_forward
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