Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + 16y2 = 64
A. x-axis
B. y-axis
C. origin
D. x-axis, y-axis, origin
E. none
Answer: D
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
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Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
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Evaluate the algebraic expression for the given values of the variables.x - (y + z) for x = 20, y = 10, and z = 5
A. 35 B. 5 C. 15 D. 16
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Solve the equation.
+ 
= 
A. x = - 
B. x = - 
C. x = - 
D. No solution
Mathematics