Change the given polar coordinates (r, ?) to rectangular coordinates (x, y).
A. (-5
, -5)
B. (-5, -5
)
C. (5, -5
)
D. (5
, -5)
Answer: C
Mathematics
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Name the conic or limiting form represented by the given equation.25x2 + 4y2 - 200x + 72y + 624 = 0
A. Point B. Empty set C. Ellipse D. Circle
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cos4 x
A. y = cos u; u = x4; 
= - 4x3 sin(x4)
B. y = u4; u = cos x; 
= - 4 cos3 x sin x
C. y = u4; u = cos x; 
= 4 cos3 x sin x
D. y = cos u; u = x4; 
= - sin(x4)
Mathematics
Find the requested polynomial. Find a polynomial of degree 4 having the following zeros: -8 (multiplicity 2), 
, -
A. f(x) = x4 + 16x3 + 59x2 - 80x - 320 B. f(x) = x3 + 8x2 - 5x - 40 C. f(x) = x4 - 16x3 - 59x2 + 80x + 320 D. f(x) = x3 - 8x2 - 5x + 40
Mathematics
Simplify.
3
A. 
B. 
C. 
D. 
Mathematics