Solve the equation.
- 
= 
A. {±5i}
B. 
C. ?
D. {±5}
Answer: C
Mathematics
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Identify the equation without applying a rotation of axes.x2 + 6xy + 9y2 - 2x + 2y + 9 = 0
A. parabola B. hyperbola C. ellipse D. not a conic
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Determine the phase shift of the function.y = -2 cos 
A. -?
B. 
C. - 
D. 2?
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Solve the problem.A certain object moves in such a way that its velocity (in m/s) after time t (in s) is given by 
Find the distance traveled during the first four seconds by evaluating 
Round your answer to the nearest tenth of a meter.
A. 44.0 m B. 80.0 m C. 101.3 m D. 53.3 m
Mathematics
Convert to trigonometric notation and perform the indicated operation.
A. - 
+ 
i
B. - 
- 
i
C. 
- 
i
D. - 
- 
i
Mathematics