Decide whether or not the points are the vertices of a right triangle.(-8, 7), (-6, 11), (-4, 10)
A. Yes
B. No
Answer: A
Mathematics
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Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (4, 8, 4) B. (7, -4, -8) C. (8, 2, 8) D. (7, 4, 8)
Mathematics
Use the Pythagorean Theorem to find the length of the missing side.Then find the indicated trigonometric function of the given angle. Give an exact answer with a rational denominator.Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 2)x
A. x + (2)x-1
B. (x + 2)x
C. ln(x + 2) + 
D. x ln(x + 2)
Mathematics
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, tan ? < 0Find sin ?.
A. - 
B. -
C. - 
D. - 
Mathematics