A triangle with vertices at (x1, y1), (x2, y2), and (x3, y3) has area equal to the absolute value of D, where 
. Use this information to solve the problem.Use D to determine whether the three points are collinear. (-2, -6), (4, 5), (2, 8)
A. The points are not collinear.
B. The points are collinear.
Answer: A
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the right circular cylinder whose base is the circle 
in the xy-plane and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
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Find the length of the curve.y = 
(ex + e-x) from x = 0 to x = 1
A. 
B. 
C. 
D. 
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Simplify using the product rule.x ? x12
A. 2x12 B. x12 C. 2x13 D. x13
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Solve the problem.Find the value for x in the following special right triangle. Use exact values. 
3 m
A. 6
m
B. 
m
C. 6 m
D. 3
m
Mathematics