Convert the rectangular equation to polar form.x2 + y2 - 4x = 0
A. r = 4 cos ?
B. r = 
C. r = 
D. r = 4 sin ?
Answer: A
You might also like to view...
You join a health club. You agree to pay $300 up front plus $20 a month. Which of the following is true? ?
A. ?Equation of Line: y = 20x + 300. B. ?Equation of Line: y = 300x + 20. C. ?Equation of Line: y = 20x D. ?Slope of Line: 300. E. ?Y-intercept: 20.
Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Provide an appropriate response.Multiply, reduce answers to lowest terms and convert improper fractions to whole or mixed numbers: 
× 
A. 
B. 
C. 
D. 
Find the center, foci, and vertices of the ellipse.36(x + 3)2 + 16(y - 1)2 = 576
A. center at (1, -3)
foci at (1, -3 - 2
), (1, -3 + 2
)
vertices at (1, 7), (1, -5)
B. center at (3, 1)
foci at (3, 1 - 2
), (3, 1 + 2
)
vertices at (3, 7), (3, -5)
C. center at (-2, 1)
foci at (-2, 1 - 2
), (-2, 1 + 2
)
vertices at (-2, 7), (-2, -5)
D. center at (-3, 1)
foci at (-3, 1 - 2
), (-3, 1 + 2
)
vertices at (-3, 7), (-3, -5)