Write the equation in terms of a rotated x'y'-system using ?, the angle of rotation. Write the equation involving x' and y' in standard form.5x2 - 6xy + 5y2 - 8 = 0; ? = 45°
A. 
+ 2y'2 = 1
B. 
+ y'2 = 1
C. x'2 + 4y'2 = 1
D. 
+ 
= 1
Answer: B
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Evaluate the work done between point 1 and point 2 for the conservative field F.F = 3 sin 3x cos 6y cos 9zi + 6 cos 3x sin 6y cos 9zj + 9 cos 3x cos 6y sin 9zk ; P1(0, 0, 0) , P2
A. W = -2 B. W = 0 C. W = 2 D. W = 1
Provide an appropriate response.The fee a bank charges for maintaining a checking account is referred to as a(n):
A. service charge B. returned check charge C. ATM charge D. NSF charge
Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 3x - 5
A. continuous for all real numbers
B. continuous for all real numbers except x = 
C. continuous for all real numbers except x = - 
D. continuous for all real numbers except x = 5
Solve.x2 = -100
A. ±10 B. 100i C. ±10i D. -10