Solve for the requested variable.y varies directly as x and inversely as the square of z, and y = 9 when x = 64 and z = 8. Find y when 
and z = 5.
A. y =1.76
B. y = 11.52
C. y =7.2
D. y =57.6
Answer: B
Mathematics
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Mathematics
Determine whether the given constant is a solution to the given polynomial equation.x4 + 7x2 - 144 = 0; -3
A. No B. Yes
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Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.y = 2x - 4 (0, ), ( , 0), (4, )
A. (0, 4), (-2, 0), (4, 12)
B. (0, -4), (2, 0), (4, 4)
C. (0, -4), (-8, 0), (4, -2)
D. (0, -4), (-2, 0), (4, -12)
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.4x - 1 ? -13 and 4x - 1 ? 3
A. [-3, 1]
B. (-3, 1]
C. (-3, 1)
D. [-3, 1)
Mathematics