Solve the equation by completing the square.z2 + 12z + 14 = 0
A. -6 ± 
B. 6 + 
C. -12 + 
D. 6 ± 
Answer: A
Mathematics
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Find the length of the pencil.
A.
inches
B.
inches
C.
inches
D.
inches
Mathematics
Write an equivalent expression using the distributive law.-7(3z + 2m)
A. -21z + 14m B. 21z - 14m C. -21z - 14m D. 21z - 2m
Mathematics
Solve the problem.Suppose that the amount of oil pumped from a well decreases at the continuous rate of 
per year. When, to the nearest year, will the well's output fall to one-eighth of its present value?
A. 19 years B. 13 years C. 9 years D. 2 years
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = -4x3 + 6x
A. origin B. y-axis C. x-axis D. x-axis, y-axis, origin E. none
Mathematics