Match the graph to one of the polar equations.
A. r sin ? = 2
B. r = 2
C. r = 4 sin ?
D. r = 4 cos ?
Answer: C
Mathematics
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Provide an appropriate response.Simplify the expression: (5x - 2y) + (3x + 8y)
A. 14xy B. 8x + 6y C. 8x - 10y D. 15x2 - 16y2
Mathematics
Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.20x2 + 4x = 0
A. x = 0, x = - 
B. x = 0, x = -5
C. x = 0, x = 
D. x = 0, x = 5
Mathematics
Use the square root property to solve the quadratic equation.5x2 = 315
A. ± 15
B. ± 3
C. ± 7
D. 3
Mathematics