Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 2
B. 2
C. 
D. 2
Answer: A
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Convert the stock price to decimal notation and to decimal notation rounded to the nearest hundredth.The stock price of a company specializing in renewable forms of energy rose last year to $78
per share.
A. $78.5675; $78.56 B. $78.5625; $78.57 C. $78.5675; $78.57 D. $78.5625; $78.56
Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
2 = 
A. 
B. 
C. 
D. 
Find an equation for the line that passes through the given point and satisfies the given conditions.P = (-5, 7); perpendicular to v = -2i - 6j
A. -2x - 6y = 40
B. y - 7 = - 
(x + 2)
C. -6x + 2y = 44
D. -2x - 6y = -32
Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 
; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 5
B. r = 5; (h, k) = (-4, 2); (x + 4)2 + (y - 2)2 = 25
C. r = 5; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 25
D. r = 
; (h, k) = (-4, 2); (x - 4)2 + (y + 2)2 = 5