Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.x = (y + 2)2 - 1(x - 2)2 + (y + 2)2 = 1 
A. {(-1, -2), (2, -2)}
B. {(2, -2)}
C. {(-1, -2)}
D. ?
Answer: D
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Solve the problem.The total cost of owning and operating a mini-van when you have driven 6000 miles is 
while the total cost when you have driven 10,000 miles is 
. Find and interpret the slope of the line connecting the points (6000, 2000) and (10,000, 3333.33).
A. The cost decreases $12 per mile. B. The cost increases $0.33 per mile. C. The cost decreases $3.00 per mile. D. The cost increases $12 per mile.
Solve the radical equation. Check all proposed solutions.
= 3
A. x = - 1
B. x = - 
C. x = - 
D. no solution
Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find E if 
R = 3, XL= 8, and XC= 4.
A. -25i B. 57i C. 25i D. -57i
Find the slope.m = 
A. 0
B. 
C. 
D. Undefined