Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)
-2.2x + 2.4y - 1.4z = 2.7 5.1x - 6.9y + 0.2z = -3.9
4.6x + 4.2y + 3.2z = 10.4
A) {(2.6, 4.3, 3.7)}
B) {(0.3, 0.5, 0.5)}
C) {(0.6, 1.1, 0.9)}
D) {(1.3, 2.1, 1.8)}

Question

Quizplus · Accepted Answer

Cramer's rule involves calculating determinants of matrices. The correct solution set for the given system of equations, when solved using Cramer's rule and rounding to one decimal place, matches the values in choice C.

Use the Determinant Feature of a Graphing Calculator to Solve