Multiple Choice
Use a graphing calculator to solve the system by finding 
. (Round to the nearest integer if necessary.)
-5x - 2y - 8z = -7 7x + 2y + 3z = 14
3x - 2y + 2z = 1
A) {(1, -2, -1) }
B) {(1, 2, 1) }
C) {(2, 0, 1) }
D) {(2, 1, 2) }
Correct Answer:
Verified
Correct Answer:
Verified
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