Expand by minors along the first column.
A. 9x - 12y + 7
B. -9x - 12y + 7
C. -9x + 12y + 7
D. -9x - 12y - 7
Answer: B
Mathematics
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Decide whether the given set of numbers is a group under the given operation.Whole numbers; multiplication
A. Yes B. No
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Write the fraction in decimal notation.
A. 2.09
B. 2.08
C. 2.0
D. 2.0
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Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (0, -1, 4) B. no solution C. (4, 0, -1) D. (4, -1, 0)
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Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {Bob, Ann, Dave} range: {Ms. Lee, Mr. Bar} B. function domain: {Ms. Lee, Mr. Bar} range: {Bob, Ann, Dave} C. not a function
Mathematics