Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the order of operations to find the value of the expression.2(-4)2 - 3(-2)2
A. -4 B. 116 C. 20 D. 28
Mathematics
Convert the polar equation to a rectangular equation.r = 
A. 3y2 - x2 + 16 = 0 B. 3x2 - y2 + 16 = 0 C. 3y2 - x2 -16y + 16 = 0 D. 3x2 - y2 -16x + 16 = 0
Mathematics
Simplify.(4 cos 8x - 8 sin 4x cos 4x) 2 + (8 sin 4x cos 4x + 4 cos 8 x)2
A. 4 cos2 4x B. 4 cos2 8x C. 32 D. 16
Mathematics
Find the equation of the parabola whose vertex and focus are shown.
A. y2 = 32x B. y2 = -32x C. y2 = -8x D. x2 = -32y
Mathematics