Solve the problem.For what values of ? (0 ? ? < 2?) do maximum r-values occur on the graph of the polar equation  Note that a maximum r-value occurs at a point that is the maximum distance from the pole.

A.
B. 0, , ?,  
C. 0, , ?,  
D.  


Answer: C

Mathematics

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Solve the system of equations using substitution.

A. x = 2, y = 30 or (2, 30) B. x = 7, y = 25; x = -4, y = 36 or (7, 25), (-4, 36) C. x = 7, y = 39; x = -4, y = 36 or (7, 39), (-4, 36) D. x = -7, y = 39; x = 4, y = 28 or (-7, 39), (4, 28)

Mathematics

Draw the graph of the equation.x2 + 3y = 0

A.

B.

C.

D.

Mathematics

Find the values of e, a, b, and c.r = 

A. e = , a = 4, b = 8, c = 
B. e = 2, a = , b = 8, c = 4
C. e = , a = 8, b = , c = 4
D. e = 2, a = , b = 4, c = 8

Mathematics

Find the least common denominator for the set of fractions.

A. 12 B. 60 C. 30 D. 20

Mathematics