Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.If an even number of negative numbers are multiplied, what will be the sign of the product?
A. Negative B. Positive C. Cannot be determined D. It depends upon the numbers
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
How many binoculars must be produced and sold for the company to break even?
A. 1500 binoculars B. 2250 binoculars C. 750 binoculars D. 2700 binoculars
Factor completely.10x4 + 21x2 + 9
A. (2x2 + 1)(5x2 + 9) B. (10x2 + 3)(x2 + 3) C. (5x2 - 3)(2x2 - 3) D. (2x2 + 3)(5x2 + 3)
Find an equation of the parabola described.Focus at (0, -5); directrix the line y = 5
A. y2 = -5x B. x2 = 20y C. x2 = -20y D. y2 = -20x