10:13Cramer's Rule : A Proof / Justification for a System of 2 Linear Equations, 2 UnknownspatrickJMT526views
05:08Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)Mathispower4u396views
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−9127viewsHas 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=5110viewsHas 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−1104viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 7 14 2 - 4132viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 5 - 1 - 2 - 7122viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. - 5 - 1 - 2 - 7122viewsHas a video solution.
Textbook QuestionEvaluate each determinant in Exercises 1–10. 1/2 1/2 1/8 - 3/4134viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + y = 7 x - y = 3143views1rankHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13151viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13151viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 4x - 5y = 17 2x + 3y = 3161viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + 2y = 3 3x - 4y = 4184viewsHas a video solution.
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.112viewsHas a video solution.
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.136viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 12158viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 12158viewsHas a video solution.
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 2x = 3y + 2 5x = 51 - 4y160viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 0 0 2 1 - 5 2 5 - 1138viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 5143viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 5143viewsHas a video solution.
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 1 1 1 2 2 2 - 3 4 - 5136viewsHas 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 3146viewsHas 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 3151viewsHas 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 3151viewsHas 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 10140viewsHas 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 3137viewsHas 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 = - 8137viewsHas 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 = - 8137viewsHas 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 = 7242viewsHas 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 = 4181viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13194viewsHas a video solution.
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13194viewsHas 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 = 2228viewsHas 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 = 22168viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.115viewsHas 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 - 1161viewsHas 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 - 1161viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.104viewsHas 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 1128viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.98viewsHas 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| |145viewsHas a video solution.
Textbook QuestionIn Exercises 52–55, use Cramer's Rule to solve each system.203viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.103viewsHas a video solution.
Textbook QuestionIn Exercises 52–55, use Cramer's Rule to solve each system.203viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.104viewsHas 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 5337viewsHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |- 2 x| | | = 32 | 4 6|136viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.114views1rankHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|133viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.97viewsHas a video solution.
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|133viewsHas a video solution.
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.89viewsHas 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 = 2173viewsHas 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 = -1188viewsHas 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 = 6100viewsHas 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 = 3106viewsHas 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 = 895viewsHas 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 = -12129viewsHas 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 = 17142viewsHas 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 = 0142viewsHas 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 = -4128viewsHas a video solution.