What number should be added to complete the square of the expression?x2 - 8x
A. 8
B. -4
C. 16
D. 32
Answer: C
Mathematics
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Parametrize the surface S.S is the portion of the paraboloid z = 3x2 + 3y2 that lies between z = 2 and z = 5.
What will be an ideal response?
Mathematics
Solve the problem.At what height (in ft) above the shoreline of Lake Michigan must an observer be in order to see a point 4 mi distant on the surface of the lake? (The radius of the earth is 
and 
A. 12.8 ft B. 10.6 ft C. 2.6 ft D. 3 ft
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos
A. 
B. 
C. 
D. 
Mathematics
Provide the requested response.Suppose that a polynomial function of degree 6 with rational coefficients has 
as zeros. Find the other zeros.
A. -3i, -3 - 4i , 4 + 
B. 3 - 4i , -4 + 
C. -3 - 4i , 4 + 
D. -3i, 3 - 4i , -4 + 
Mathematics