Find an equivalent equation in rectangular coordinates.r = 2(sin ? - cos ?)
A. x2 + y2 = 2y - 2x
B. 2x2 + 2y2 = x - y
C. 2x2 + 2y2 = y - x
D. x2 + y2 = 2x - 2y
Answer: A
You might also like to view...
Solve the problem.Consider a population that decays according to an exponential model. The initial population is P0 = 46,875 and the common ratio is r = 0.8. How many generations will it take for the population to fall below 10,000?
A. 5 B. 7 C. 6 D. 4 E. none of these
For the compound inequality, give the solution set in both interval and graph forms.x ? 2 and x ? -3
A. (2, ?)
B. (-?, 2]
C. [2, ?)
D. (-?, -3]
Find the indicated vector.Let u = 
. Find -6u.
A. 
B. 
C. 
D. 
Convert the polar equation to rectangular form. Identify the curve.r = 5
A. x2 - y2 = 25; circle centered at (0, 0) with radius 5 B. x + y = 25; a line with slope 5 and y-intercept 0 C. x + y = 5; a line with slope 5 and y-intercept 0 D. x2 + y2 = 25; circle centered at (0, 0) with radius 5