10:13Cramer's Rule : A Proof / Justification for a System of 2 Linear Equations, 2 UnknownspatrickJMT452views
05:08Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)Mathispower4u326views
Multiple ChoiceWrite each equation in standard form and use Cramer's Rule to solve the system.y=−3x+4y=-3x+4y=−3x+4−2x=7y−9-2x=7y-9−2x=7y−964viewsHas a video solution.
Multiple ChoiceSolve the system of equations using Cramer's Rule.4x+2y+3z=64x+2y+3z=64x+2y+3z=6x+y+z=3x+y+z=3x+y+z=35x+y+2z=55x+y+2z=55x+y+2z=557viewsHas a video solution.
Multiple ChoiceWrite each equation in standard form and use Cramer's Rule to solve the system.y−9x=−3y-9x=-3y−9x=−3−3x=4y−1-3x=4y-1−3x=4y−151viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 7 14 2 - 486viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 5 - 1 - 2 - 773viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 5 - 1 - 2 - 773viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. 1/2 1/2 1/8 - 3/484viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + y = 7 x - y = 391views1rankHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13101viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13101viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 4x - 5y = 17 2x + 3y = 3102viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + 2y = 3 3x - 4y = 4123viewsHas a video solution.
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.65viewsHas a video solution.
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.71viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 1289viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 1289viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 2x = 3y + 2 5x = 51 - 4y94viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 0 0 2 1 - 5 2 5 - 186viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 590viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 590viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 1 1 1 2 2 2 - 3 4 - 581viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 0.5 7 5 0.5 3 9 0.5 1 395viewsHas a video solution.
Textbook QuestionIn Exercises 31–36, use the alternative method for evaluating third-order determinants on here to evaluate each determinant. - 3 4 - 5 5 - 2 0 8 - 1 395viewsHas a video solution.
Textbook QuestionIn Exercises 31–36, use the alternative method for evaluating third-order determinants on here to evaluate each determinant. - 3 4 - 5 5 - 2 0 8 - 1 395viewsHas a video solution.
Textbook QuestionIn Exercises 31–36, use the alternative method for evaluating third-order determinants on here to evaluate each determinant. 1 5 6 1 4 5 1 9 1085viewsHas a video solution.
Textbook QuestionIn Exercises 31–36, use the alternative method for evaluating third-order determinants on here to evaluate each determinant. 0.5 7 5 0.5 3 9 0.5 1 383viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 0 2x - y + z = - 1 - x + 3y - z = - 882viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 0 2x - y + z = - 1 - x + 3y - z = - 882viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. 4x - 5y - 6z = - 1 x - 2y - 5z = - 12 2x - y = 7172viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 4 x - 2y + z = 7 x + 3y + 2z = 4122viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13120viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13120viewsHas a video solution.
Textbook QuestionIn Exercises 45–48, explain why the system of equations cannot be solved using Cramer's Rule. Then use Gaussian elimination to solve the system. 2x - 3y + 2z = 4 2x + 3y - 2z = 6 2x - 9y + 6z = 2167viewsHas a video solution.
Textbook QuestionIn Exercises 45–48, explain why the system of equations cannot be solved using Cramer's Rule. Then use Gaussian elimination to solve the system. 4x - 3y - 2z = 12 8x - 6y - 4z = 22117viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.63viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 49–52. 4 2 8 - 7 - 2 0 4 1 5 0 0 5 4 0 0 - 1108viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 49–52. 4 2 8 - 7 - 2 0 4 1 5 0 0 5 4 0 0 - 1108viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.58viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 49–52. - 2 - 3 3 5 1 - 4 0 0 1 2 2 - 3 2 0 1 181viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.54viewsHas a video solution.
Textbook QuestionIn Exercises 53–54, evaluate each determinant. | | 3 1| |7 0| | | |- 2 3| |1 5| | | | | | 3 0| |9 - 6| | | | 0 7| |3 5| |89viewsHas a video solution.
Textbook QuestionIn Exercises 52–55, use Cramer's Rule to solve each system.143viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.51viewsHas a video solution.
Textbook QuestionIn Exercises 52–55, use Cramer's Rule to solve each system.143viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.50viewsHas a video solution.
Textbook QuestionIn Exercises 55–56, write the system of linear equations for which Cramer's Rule yields the given determinants. 2 - 4 8 - 4 D = D_x = 3 5 - 10 5225viewsHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |- 2 x| | | = 32 | 4 6|80viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.56viewsHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|83viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.48viewsHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|83viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.45viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. x + y = 4 2x - y = 298viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 4x + 3y = -7 2x + 3y = -1149viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 5x + 4y = 10 3x - 7y = 654viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 1.5x + 3y = 5 2x + 4y = 354viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 3x + 2y = 4 6x + 4y = 852viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. (1/2)x + (1/3)y = 2 (3/2)x - (1/2)y = -1270viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. 2x - y + 4z = -2 3x + 2y - z = -3 x + 4y + 2z = 1779viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. x + 2y + 3z = 4 4x + 3y + 2z = 1 -x - 2y - 3z = 074viewsHas a video solution.
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. -2x - 2y + 3z = 4 5x + 7y - z = 2 2x + 2y - 3z = -474viewsHas a video solution.