Solve the system using determinants.
-x - 7y - 5z = -18 x + 8y + 3z = 56
5x - 4y - 2z = 4
A) (5, 0, 4)
B) (2, 4, 2)
C) (4, 2, 4)
D) (4, -2, -4)

Name: Solve the system using determinants. -x - 7y - 5z = -18 x + 8y + 3z = 56 5x - 4y - 2z = 4 A) (5, 0, 4) B) (2, 4, 2) C) (4, 2, 4) D) (4, -2, -4)
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Question

Quizplus · Accepted Answer

Using Cramer's Rule, calculate the determinant of the coefficient matrix and the determinants of matrices formed by replacing each column with the constants. The solution (4, 2, 4) satisfies the system.

Solve the System Using Determinants