Find the cross product and determine whether the proportion is true or false.
= 
A. 8 ? 128; false
B. 32 = 32; true
C. 64 = 64; true
D. 16 ? 64; false
Answer: B
Mathematics
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Find all the polar coordinates of the point.(-8, ?/3)
A. (8, 4?/3 + 2n?), (-8, ?/3 + 2n?) B. (8, 4?/3 + 2n?), (-8, 2?/3 + 2n?) C. (8, 4?/3 + 2n?), (-8, -?/3 + 2n?) D. (8, ?/3 + 2n?), (8, 4?/3 + 2n?)
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For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(-3, 1) and (-4, 4)
A. y = -3x - 8 B. y = -3x + 1 C. y = -6x - 8 D. y = -3x + 10
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Find f"(x) for the function.f(x) = 
A. -2(x + 1)-3 B. (x + 1)-3 C. -2(x + 1)-2 D. (x + 1)-2
Mathematics
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(6, 5) and (11, -2)
A. - 
B. 
C. Undefined
D. 0
Mathematics