Using Cramer’s Rule, what is the value of y for the solution to the given system of linear equations? 2 x minus y is equal to 3 5 x minus 2 y is equal to 8
Answer
A
the fraction with numerator the 2 by 2 matrix row 1, 2 3 row 2, 5 8 and denominator negative 1 is equal to negative 1
B
the fraction with numerator the 2 by 2 matrix, row 1, column 1, 3 column 2, negative 1 row 2, column 1, 8 column 2, negative 2 and denominator 1 is equal to 2
C
the fraction with numerator the 2 by 2 matrix row 1, 2 3 row 2, 5 8 and denominator 1 is equal to 1
D
the fraction with numerator the 2 by 2 matrix, row 1, column 1, 3 column 2, negative 1 row 2, column 1, 8 column 2, negative 2 and denominator negative 1 is equal to negative 2