Perform the indicated operations and write the result in standard form.(6 + i)2 - (2 - i)2
A. 32 + 16i
B. 32 - 16i
C. -32 + 16i
D. 16
Answer: A
Mathematics
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A. -21 B. 21 C. 0 D. 42
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In the given pair of polynomials, the second polynomial is a factor of the first. Factor the first polynomial completely.x4 + 5x3 + 5x2 - 5x - 6; x + 1
A. (x - 1)(x - 3)(x - 2)(x + 1) B. (x + 1)(x + 3)(x - 2)(x + 1) C. (x + 1)(x + 3)(x + 2)(x - 1) D. (x + 1)(x3 + 4x2 + x - 6)
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Find the center and radius and draw the graph.(x + 5)2 + (y + 5)2 = 25
A. 
center (-5, 5); radius 5
B. 
center (-5, -5); radius 5
C. 
center (5, 5); radius 5
D. 
center (5, -5); radius 5
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