05:08Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)Mathispower4u495views
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−9161views
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=5131views
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−1127views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + y = 7 x - y = 3163views1rank
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13185views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 12x + 3y = 15 2x - 3y = 13185views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 4x - 5y = 17 2x + 3y = 3190views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. x + 2y = 3 3x - 4y = 4231views
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.143views
Textbook QuestionFind the cofactor of each element in the second row of each matrix. See Example 2.186views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 12191views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 3x - 4y = 4 2x + 2y = 12191views
Textbook QuestionFor Exercises 11–22, use Cramer's Rule to solve each system. 2x = 3y + 2 5x = 51 - 4y200views
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 0 0 2 1 - 5 2 5 - 1165views
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 5173views
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 3 1 0 - 3 4 0 - 1 3 - 5173views
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 1 1 1 2 2 2 - 3 4 - 5154views
Textbook QuestionIn Exercises 23–30, use expansion by minors to evaluate each determinant. 0.5 7 5 0.5 3 9 0.5 1 3166views
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 3188views
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 3188views
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 10175views
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 3158views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 0 2x - y + z = - 1 - x + 3y - z = - 8159views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 0 2x - y + z = - 1 - x + 3y - z = - 8159views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. 4x - 5y - 6z = - 1 x - 2y - 5z = - 12 2x - y = 7285views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + y + z = 4 x - 2y + z = 7 x + 3y + 2z = 4216views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13244views
Textbook QuestionIn Exercises 37–44, use Cramer's Rule to solve each system. x + 2z = 10 2y - z = - 5 2x + 3y = 13244views
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 = 2259views
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 = 22198views
Textbook QuestionEvaluate each determinant in Exercises 49–52. 4 2 8 - 7 - 2 0 4 1 5 0 0 5 4 0 0 - 1189views
Textbook QuestionEvaluate each determinant in Exercises 49–52. 4 2 8 - 7 - 2 0 4 1 5 0 0 5 4 0 0 - 1189views
Textbook QuestionEvaluate each determinant in Exercises 49–52. - 2 - 3 3 5 1 - 4 0 0 1 2 2 - 3 2 0 1 1173views
Textbook QuestionIn Exercises 53–54, evaluate each determinant. | | 3 1| |7 0| | | |- 2 3| |1 5| | | | | | 3 0| |9 - 6| | | | 0 7| |3 5| |174views
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 5413views
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.140views1rank
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|160views
Textbook QuestionIn Exercises 57–60, solve each equation for x. |1 x - 2| |3 1 1| = - 8 |0 - 2 2|160views
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 = 2230views
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 = -11113views
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 = 6133views
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 = 3129views
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 = 8116views
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 = -12162views
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 = 17171views
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 = 0183views
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 = -4152views