Write the equation in vertex form. Identify the vertex.y = x2 + 6x - 4
A. y = (x + 6)2 - 40; (-40, -6)
B. y = (x + 6)2 - 40; (-6, -40)
C. y = (x + 3)2 - 13; (-3, -13)
D. y = (x + 3)2 - 13; (-13, -3)
Answer: C
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Find the work done by F over the curve in the direction of increasing t.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Solve the equation in the complex number system.x5 - 1 = 0
A. -1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°) B. 1, cos(36°) + i sin(36°), cos(108°) + i sin(108°), cos(180°)+ i sin(180°), cos(252°) + i sin(252°) C. 1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°) D. 1, cos(72°) + i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°),-1
Graph the line described.Through (0, 5); m = - 3
A. 
B. 
C. 
D. 
Find a function P(x) of least possible degree, having real coefficients, with the given zeros.9i and 
A. P(x) = x4 + 73x2 - 648 B. P(x) = x4 - 73x2 - 648 C. P(x) = x4 + 146x2 + 648 D. P(x) = x4 - 146x2 + 648