Factor completely. State that the polynomial is prime if it cannot be factored.5x3 - 15x2y - 90xy2
A. 5x(x - 6y)(x + 3y)
B. 5xy(x - 6y)(x + 3y)
C. 5(x - 6y)(x + 3y)
D. 5x(x + 6y)(x - 3y)
Answer: A
Mathematics
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Give the center and radius of the circle. Then sketch its graph.(x + 5)2 + (y + 1)2 = 16
A. center (- 5, - 1), r = 4
B. center (5, - 1), r = 4
C. center (5, 1), r = 4
D. center (- 5, 1), r = 4
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Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.A = 
A. 
B. 
C. 
D. 
Mathematics
Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 2mn
B. 
C. 4
D. 2
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Change the polar coordinates (r, ?) to rectangular coordinates (x, y).
A. (-2, 0) B. (2, 0) C. (0, 2) D. (0, -2)
Mathematics