Find an equation of the circle with the given center and radius.Center (0, 0), radius 6
A. x2 + y2 = 6
B. x2 + y2 = 
C. (x - 1)2 + (y - 1)2 = 6
D. x2 + y2 = 36
Answer: D
Mathematics
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Find the indicated term for the geometric sequence with the first term a1 and common ratio r.Find a5 when a1 = 
, r = 
A. a5 = 
B. a5 = 
C. a5 = 
D. a5 = 
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Factor completely.9x2 - 39x - 30
A. prime B. (9x + 6)(x - 5) C. 3(3x + 2)(x - 5) D. 3(3x - 2)(x + 5)
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Use the quadratic formula to solve the equation.7x2 + 8x + 2 = 0
A. 
B. 
C. 
D. 
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Solve.A carpenter wants to cut the largest possible ellipse from a 8 ft by 13 ft rectangular board. After the foci are located, a string is connected to them and pulled taut by a pencil in order to draw the ellipse. Find the length of the string.
A. 16 ft B. 13 ft C. 26 ft D. 8 ft
Mathematics