Problem 1PP: Each of the following equations determines a plane in 3. Do the two planes intersect? If so,... Problem 2PP: Write the general solution of 10x1 3x2 2x3 = 7 in parametric vector form, and relate the solution... Problem 3PP: Prove the first pan of Theorem 6: Suppose that p is a solution of Ax = b, so that Ap = b. Let vh, be... Problem 1E: In Exercises 1-4, determine if the system has a nontrivial solution. Try to use as few row... Problem 2E: In Exercises 1-4, determine if the system has a nontrivial solution. Try to use as few row... Problem 3E: In Exercises 1-4, determine if the system has a nontrivial solution. Try to use as few row... Problem 4E: In Exercises 1-4, determine if the system has a nontrivial solution. Try to use as few row... Problem 5E: In Exercises 5 and 6, follow the method of Examples 1 and 2 to write the solution set of the given... Problem 6E: In Exercises 5 and 6, follow the method of Examples 1 and 2 to write the solution set of the given... Problem 7E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 8E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 9E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 10E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 11E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 12E: In Exercises 7-12, describe all solutions of Ax = 0 in parametric vector form, where A is row... Problem 13E Problem 14E: You may find it helpful to review the information in the Reasonable Answers box from this section... Problem 15E Problem 16E Problem 17E: Suppose the solution set of a certain system of linear equations can be described as x1 = 5 + 4x3,... Problem 18E: Suppose the solution set of a certain system of linear equations can be described as x1 = 3x4, x2 =... Problem 19E: Follow the method of Example 3 to describe the solutions of the following system in parametric... Problem 20E: As in Exercise 19, describe the solutions of the following system in parametric vector form, and... Problem 21E: Describe and compare the solution sets of x1 + 9x2 4x3 and x1 + 9x2 4x3 = 2. Problem 22E: Describe and compare the solution sets of x1 3x2 + 5x3 = 0 and x1 3x2 + 5x3 = 4. Problem 23E: In Exercises 19 and 20, find the parametric equation of the line through a parallel to b. 19. a =... Problem 24E: In Exercises 19 and 20, find the parametric equation of the line through a parallel to b. 20. a =... Problem 25E: In Exercises 21 and 22, find a parametric equation of the line M through p and q. [Hint: M is... Problem 26E: In Exercises 21 and 22, find a parametric equation of the line M through p and q. [Hint: M is... Problem 27E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 27. (T/F) A... Problem 28E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 28. (T/F) If x is... Problem 29E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 29. (T/F) The... Problem 30E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 30. (T/F) The... Problem 31E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 31. (T/F) The... Problem 32E Problem 33E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 33. (T/F) The... Problem 34E Problem 35E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 35. (T/F) The... Problem 36E: In Exercises 27—36, mark each statement True or False (T/F). Justify each answer 36. (T/F) The... Problem 37E: Prove the second part of Theorem 6: Let w be any solution of Ax = b, and define vh = w p. Show that... Problem 38E: Suppose Ax = b has a solution. Explain why the solution is unique precisely when Ax = 0 has only the... Problem 39E: Suppose A is the 3 3 zero matrix (with all zero Describe the solution set of the equation Ax = 0. Problem 40E: If b 0, can the solution set of Ax = b be a plane through the origin? Explain. Problem 41E: In Exercises 29-32, (a) does the equation Ax = 0 have a nontrivial solution and (b) does the... Problem 42E: In Exercises 29-32, (a) does the equation Ax = 0 have a nontrivial solution and (b) does the... Problem 43E: In Exercises 29-32, (a) does the equation Ax = 0 have a nontrivial solution and (b) does the... Problem 44E: In Exercises 29-32, (a) does the equation Ax = 0 have a nontrivial solution and (b) does the... Problem 45E: Given A = [2672139], find one nontrivial solution of Ax = 0 by inspection. [Hint: Think of the... Problem 46E: Given A = [4681269], find one nontrivial solution of Ax = 0 by inspection. Problem 47E: Construct a 3 3 nonzero matrix A such that the vector [111] is a solution of Ax = 0. Problem 48E: Construct a 3 3 nonzero matrix A such that the vector [121] is a solution of Ax = 0. Problem 49E: Construct a 2 2 matrix A such that the solution set of the equation Ax = 0 is the line in 2 through... Problem 50E: Suppose A is a 3 3 matrix and y is a vector in 3 such that the equation Ax = y does not have a... Problem 51E: Let A be an m n matrix and let u be a vector in n that satisfies the equation Ax = 0. Show that for... Problem 52E: Let A be an m n matrix, and let u and v be vectors in n with the property that Au = 0 and Av = 0.... format_list_bulleted