Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x =6, y =-1; (6, -1)
B. x =-9, y =-1; (-9, -1)
C. inconsistent
D. x =6, y =6; (6, 6)
Answer: C
Mathematics
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A. y = -3x2 + 4x - 1 B. y = 3x2 + 4x + 1 C. y = -3x2 - 4x - 1 D. y = 3x2 - 4x + 1
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Simplify the expression using the order of operations.1 - 3(5 - 8)
A. 8 B. 10 C. -8 D. -10
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Simplify.(7
+ 5)2
A. 49m+ 25
B. 7m2 + 70m+ 25
C. 49m+ 70
+ 25
D. 49m2+ 70
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Provide an appropriate response.Consider the selections of particular thirteen card bridge hands. Is this a combination, a permutation, or neither?
A. Combination B. Permutation C. Neither
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