Find the equation of the axis of symmetry of the parabola.f(x) = 4x2 - 56x + 198
A. x = -7
B. x = 2
C. x = -2
D. x = 7
Answer: D
Mathematics
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Determine the locus of points.
All points that are equidistant from two intersecting lines.
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Find an equation of variation in which the following are true.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 3, and z = 42.
A. y = 
B. y = 34xwz
C. y = 
D. y = 
Mathematics
Use a coterminal angle to find the exact value of the expression. Do not use a calculator.sin 
A. - 
B. 
C. 
D. - 
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Find 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics