The coordinates of the endpoints of a diameter are given. Find the equation of the circle.(-3, 1), (-9, -7)
A. (x + 6)2 + (y + 3)2 = 25
B. (x - 6)2 + (y - 3)2 = 100
C. (x + 6)2 + (y + 3)2 = 5
D. (x - 6)2 + (y - 3)2 = 25
Answer: A
Mathematics
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Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.2, 4, 6, 10, 12, . . .
A. Arithmetic; a = 2, d = 2 B. Not arithmetic
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Graph the solution set of the system of inequalities or indicate that the system has no solution.-x + 7y < -28x ? 3
A. 
B. 
C. 
D. 
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Convert the function to the specified base. f(x) = 
x; convert to base e
A. f(x) = e-3 ln x
B. f(x) = ex ln 3
C. f(x) = 
ex
D. f(x) = e-x ln 3
Mathematics