Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-2, -2
)
A. 
B. 
C. 
D. 
Answer: B
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Use colored counters to answer the question. Typically, black counters represent a profit or a positive number, while red counters represent a loss or a negative number. Here, use white in place of red, that is, consider a white counter to mean what a red counter would in the typical case.Draw a colored counter diagram with the least number of counters to represent -2.
What will be an ideal response?
Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.52 ft B. 0.26 ft C. 0.90 ft D. 0.21 ft
Shade the region in the xy-plane that satisfies the system of inequalities.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 