One solution of a polynomial equation is given. Use synthetic division to find any remaining solutions.-3x4 + 12x3 + 3x2 - 48x + 36 = 0; 2

A. 3, -3, 1
B. 3, 1, -2
C. -2, 3, -3
D. -2, -3, -1


Answer: B

Mathematics

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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (t2 - 8)i   + (2t - 2)j  + 4k 

A. T = i  + j; N = i  + j
B. T = i  + j; N = i  - j
C. T = i  - j; N = - i  - j
D. T = i  + j; N = i  - j

Mathematics

Find an equation of the line.Horizontal line through 

A. y = 
B. y = x
C. x = 
D. y = 0

Mathematics

Add.-85 + 53

A. -138 B. 32 C. -32 D. 138

Mathematics

You are designing a dome house in the shape of a hemisphere with a 38 ft outside diameter. Find the volume, which is needed to calculate the heat pump size. 

A. 21,500 ft 3 B. 14,600 ft 3 C. 14,300 ft 3 D. 14,400 ft 3 E. 14,100 ft 3

Mathematics