Write a direct variation equation, y = kx, that describes the graph.
A. y = - 
x
B. y = 
x
C. y = 9x
D. y = -9x
Answer: B
Mathematics
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Divide.(9z4 - 6z3 + 14z2 + 6z + 6) ÷ (z2 - z + 2)
A. 9z2 + 3z - 1 + 
B. 9z2 - 3z + 1 + 
C. 9z2 + 3z - 1 + 
D. 9z2 + 3z - 1
Mathematics
Write an equation of the line.
A. y = - 
x
B. y = 
x
C. y = 
x
D. y = - 
x
Mathematics
Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Slope = 
, passing through (-6, -6)
A. y = 
x - 4
B. y = - 
x - 4
C. y = 
x + 4
D. y = - 
x + 4
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
A. 
= 
?, 
= 
?
B. 
= 0, 
= 
?
C. 
= 
?, 
= 
?
D. 
= 0, 
= 
?
Mathematics