Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.x2 + y - 81 = 0
A. origin
B. y-axis
C. x-axis
D. x-axis, y-axis, origin
E. none
Answer: B
Mathematics
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Solve the triangle. Approximate values to the nearest tenth when appropriate.
A. c = 19.5, ? = 31.6°, ? = 40° B. c = 13.7, ? = 33.6°, ? = 38° C. c = 16.6, ? = 35.6°, ? = 36° D. No solution
Mathematics
Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. (5
, 5)
B. (10
, 10
)
C. (10, 10)
D. (5
, 5
)
Mathematics
Solve.(r + 3)2 = 13
A. 3 + 
, 3 - 
B. 
, -
C. -3 + 
, -3 - 
D. 10
Mathematics
Evaluate the indicated power of i.i55
A. i B. 1 C. -1 D. -i
Mathematics