Change the equation to rectangular coordinates and then graph.
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A. ?
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B. ?
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C. ?
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D. ?
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E. ?
Answer: E
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Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent. -4x + 3y = -5 -8x + 6y = -10 
A. (2, -5)
B. (-2, 5)
C. Infinitely many solutions, dependent
D. No solution, inconsistent
Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal places.
2
A. -185.6653 - 42.3769i B. -118.7374 + 148.8920i C. -42.3769 - 185.6653i D. -3.0708 - 13.4540i
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 
x2 + 6x - 5
A. maximum at 
B. minimum at 
C. maximum at 
D. minimum at 
a = 6b = 8c = 10d = 12 e = 14
A. 10 B. 10.4 C. 12.4 D. 11.4