Cramer's Rule — Quiz Answers

Which equation can be used to determine x -value of the solution in the given system of linear equations? negative 2 x plus 14 y is equal to 148 3 x plus 5 y is equal to 246

What is the 1 by 1 row matrix column 1 cap A sub x in the given system? 4 x minus y is equal to negative 3 negative 2 x plus y is equal to 5

Using Cramer’s Rule, what is the minimum number of determinants that are needed to solve for all unknowns in the given system of linear equations? 10 x minus y is equal to 3 5 x minus 2 y is equal to negative 24

Given the 2 by 2 matrix, row 1, column 1, 5 column 2, negative 4 row 2, column 1, 3 column 2, 6 the 2 by 1 column matrix x y is equal to the 2 by 1 column matrix 12 66 , what is the 1 by 1 row matrix column 1 cap A sub x ?

Based on the given information, what are the values of x and y of the solution to the system of equations used to create the information? absolute value of cap A is equal to the 2 by 2 matrix, row 1, column 1, 1 half column 2, 1 fourth row 2, column 1, 9 column 2, negative 3 , start absolute value cap A sub x end absolute value is equal to the 2 by 2 matrix, row 1, column 1, 5 column 2, 1 fourth row 2, column 1, 0 column 2, negative 3 , start absolute value cap A sub y end absolute value is equal to the 2 by 2 matrix, row 1, column 1, 1 half column 2, 5 row 2, column 1, 9 column 2, 0

Given the 2 by 2 matrix, row 1, column 1, 12 column 2, negative 13 row 2, column 1, 17 column 2, negative 22 the 2 by 1 column matrix x y is equal to the 2 by 1 column matrix row 1 7 row 2 negative 51 , what is the 1 by 1 row matrix column 1 cap A sub y ?

Which determinants can be used to solve for x and y in the given system of linear equations? negative 3 x plus 2 y is equal to negative 9 4 x minus 15 y is equal to negative 25

Based on the given information, what are the values of x and y of the solution to the system of equations used to create the information? absolute value of cap A is equal to the 2 by 2 matrix, row 1, column 1, 4 column 2, negative 6 row 2, column 1, 8 column 2, negative 2 , start absolute value cap A sub x end absolute value is equal to the 2 by 2 matrix, row 1, column 1, 38 column 2, negative 6 row 2, column 1, 26 column 2, negative 2 , start absolute value cap A sub y end absolute value is equal to the 2 by 2 matrix row 1, 4 38 row 2, 8 26

Which system of linear equations can be solved using the given information? start absolute value cap A sub x end absolute value is equal to the 2 by 2 matrix, row 1, column 1, 20 column 2, negative 3 row 2, column 1, negative 192 column 2, 8 start absolute value cap A sub y end absolute value is equal to the 2 by 2 matrix, row 1, column 1, 2 column 2, 20 row 2, column 1, 12 column 2, negative 192

What is the 1 by 1 row matrix column 1 cap A sub y in the given system of linear equations? negative 8 x plus y is equal to negative 6 3 x minus 2 y is equal to negative 1