Find the center-radius form of the equation of the circle.center (7, 0), radius 
A. (x - 7)2 + y2 = 
B. x2 + (y - 7)2 = 225
C. (x + 7)2 + y2 = 15
D. (x - 7)2 + y2 = 15
Answer: D
Mathematics
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Find an equation of the tangent line at the given point P.y = x2 + 11x - 15, P(1, -3)
A. y = -39x - 80
B. y = 
x + 
C. y = - 
x + 
D. y = 13x - 16
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Decide whether the figure shown is a polyhedron.
A. Polyhedron B. Not a polyhedron
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Use the given information to find the exact value of the trigonometric function.cos ? = - 
, ? lies in quadrant III
Find cos 
.
A. - 
B. 
C. - 
D. 
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Evaluate if possible.
A. 
B. 
C. 
D. 
Mathematics