Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 16; 270°
B. 16; 180°
C. 256; 180°
D. 16; 90°
Answer: B
Mathematics
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Solve.2x2 + y2 = 173x2 - 2y2 = -6
A. (1, 3) and (-1, -3) B. (2, 3), (2, -3), (-2, 3), (-2, -3) C. (2, -3) and (-2, 3) D. (1, 3), (1, -3), (-1, 3), (-1, -3)
Mathematics
Decompose into partial fractions.
A. 
- 
B. 
+ 
- 
C. 
+ 
- 
D. 
+ 
+ 
Mathematics
Determine the standard equation of the ellipse described.Focus at (-7, 0); vertices at (-8, 0) and (8, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 4; 225°
B. 8; 45°
C. 4
; 45°
D. 4
; 225°
Mathematics