Mathematics, 05.05.2020 05:02 angelita24
When using Cramer's Rule to solve a system of equations, if the determinant of the coefficient matrix equals zero and at least one numerator determinant is zero, then the system .
A. is consistent
B. is dependent
C. is inconsistent
D. has no solution
Answers
Answer from: jelani4brown
B. is dependent
Step-by-step explanation:
The denominator determinant will be zero when the coefficients of the variables are dependent. One of the numerator coefficients will be zero when the coefficients involved are dependent. Hence using Cramer's Rule will result in the ratio 0/0 when the system is dependent.
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The ratio will be 1/0 if the system is inconsistent (has no solution).
Answer from: Quest
-12 > a
step-by-step explanation:
-11 > 1 + a
subtract 1 from each side
-11-1 > 1-1+a
-12 > a
Answer from: Quest
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