Solve the equation.9r2 - 62r - 7 = 0
A. 
B. {-9, 7}
C. 
D. 
Answer: A
Mathematics
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Write the complex number in polar form.-3 + 3j
A. -3(cos (-45.26°) + j sin (-45.26°))
B. 
(cos (-45.26°) + j sin (-45.26°))
C. 
(cos (-45.26°) + j sin (-45.26°))
D. (cos (-45.26°) + j sin (-45.26°))
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + y2 = 36x2 - y2 = 36
A. {(6, 0), (-6, 0)} B. {(6, 0)} C. {(0, -6)} D. {(0, 6), (0, -6)}
Mathematics
Graph the circle.(x - 1)2 + (y + 4)2 = 25
A. 
B. 
C. 
D. 
Mathematics
Convert the given polar coordinates of the point to rectangular coordinates.(-1, 90°)
A. (1, 0) B. (-1, 0) C. (0, -1) D. (0, 1)
Mathematics