Solve the following systems of linear equations using Gaussian elimination.
-2x - 2y - z = - 13
2x + y + z = 14
3c + y + 2z = 25
What will be an ideal response?
(4, ?1, 7)
Mathematics
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Calculate.-1.9 ? (-14.6)
A. 27.74 B. -16.5 C. 16.5 D. -12.7
Mathematics
Factor a negative number or a GCF with a negative coefficient from the polynomial.-5x5 + x7
A. -5x5(1 + x2) B. -x5(5 - x2) C. -5x5(1 - x2) D. -x5(5 + x2)
Mathematics
Factor out the greatest common factor.18x4 - 4x3 + 8x2
A. 2x(9x3 - 2x2 + 4x) B. x2(18x2 - 4x + 8) C. 2x2(9x2 - 2x + 4) D. 2(9x4 - 2x3 + 4x2)
Mathematics
Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics