Rewrite the equation in standard form. Find the center and radius of the circle.x2 + y2 + 12x + 8y - 207 = 0
A. (x + 12)2 + (y + 8)2 = 1
center (12, 8), r = 1
B. (x - 12)2 + (y - 8)2 = 1
center (12, 8), r = 1
C. (x + 12)2 + (y + 8)2 = 1
center (-12, -8), r = 1
D. (x - 12)2 + (y - 8)2 = 1
center (-12, -8), r = 1
Answer: C
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Provide an appropriate response.A rectangular sheet of metal has a length that is 4 more than the width.(a)Write the area of the rectangular sheet as a function of the width.(b)Without simplifying, write the ratio of the length of the sheet to the area of the sheet as a function of the width.(c)Simplify the function you wrote in b.(d)What kind of function is this?(e)What is its domain out of context?(f)What is its domain in the given context?
What will be an ideal response?
Solve the equation by completing the square.x2 - 12x - 5 = 0
A. {6 - 
, 6 + 
}
B. {12 - 
, 12 + 
}
C. {-6 - 
, -6 + 
}
D. {6 - 
, 6 + 
}
Solve the problem.Ray's gross pay is $331.77 per week. $47.14 is withheld for federal income tax, $33.40 for FICA tax, and $10.51 for other deductions. Find his net pay.
A. $240.72 B. $261.74 C. $251.23 D. $250.72
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 10 - x2
C. 
D. 