Solve the system using the inverse method.
A. x = -5, y = -2, z = -2
B. x = 5, y = -2, z = 2
C. x = 2, y = 5, z = 2
D. x = 5, y = 2, z = -2
Answer: B
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Provide an appropriate response.A student argued that it is impossible to use the substitution method to determine if a system of equations has no solution or an infinite number of solutions. Is the student correct?
Fill in the blank(s) with the appropriate word(s).
Factor completely. If the polynomial is prime, say so.16p4 - 81q4
A. (2p + 3q)(2p - 3q)(4p2 + 9q2) B. (2p + 3q)3(2p - 3q) C. (2p + 3q)(2p - 3q)(4p2 - 9q2) D. (2p + 3q)(2p + 3q)(4p2 - 9q2)
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-5, ?)
A. decreasing B. constant C. increasing
Determine whether the statement is true or false.In the simplex method, a basic variable is a variable which has a coefficient of 1 and which occurs in only one equation.
A. True B. False