Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent. x + 3y = -8-5x + 2y = -45
A. (7, -5)
B. (6, -4)
C. No solution; inconsistent
D. (-7, -4)
Answer: A
Mathematics
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Use Taylor series to evaluate the limit.
A. 0 B. 4 C. 2 D. 1
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Multiply and simplify. Assume all variables represent nonnegative real numbers. Write your answer in radical notation.
A. x6y9
B. x6y7
C. x6y8
D. x6y8
Mathematics
Solve the system by the addition method, if possible.
?
?
A. (12, -3) B. (4, 8) C. (-4, -8) D. (-4, 13) E. no solutions
Mathematics
Solve the problem.The formula A = 210e0.031t models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 295 thousand?
A. 2010 B. 2012 C. 2009 D. 2011
Mathematics