Use your grapher to determine which of the graphs matches the given polar equation.r = 2 - 2 sin ?
A. 
B. 
C. 
D. 
Answer: A
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Solve the system. 2x2 + xy + 2y2 = 23x2 - 5xy + 3y2 = 3
A. {(1, 0)} B. {(1, 0), (-1, 0)} C. {(1, 0), (-1, 0), (0, 1), (0, -1)} D. {(1, 0), (0, 1)}
Solve the problem.A size 44 dress in Country C is size 2 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find a formula for the inverse of this function.
A. f-1(x) = x + 20 B. f-1(x) = 2(x - 20) C. f-1(x) = 2x + 20 D. f-1(x) = 2(x + 20)
Convert the equation to the standard form for an ellipse by completing the square on x and y.25x2 + 36y2 - 50x - 216y - 551 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find the equation of a line passing through the pair of points. Write the equation in the slope-intercept form.(6, -38) and (1, 2)
A. y = -8x + 10
B. y = - 
x - 
C. y = 
x - 
D. y = 8x - 86