Write the standard form of the equation of the circle with radius r and center (h, k).r = 2; (h, k) = (0, 0)
A. x2 + y2 = 2
B. (x - 2)2 + (y - 2)2 = 2
C. x2 + y2 = 4
D. (x - 2)2 + (y - 2)2 = 4
Answer: C
Mathematics
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A. -
B. - 
C. -
D. - 
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Provide an appropriate response.Write the following in terms of ln x, ln(x - 3), and ln(x + 1): 
What will be an ideal response?
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Graph the circle.x2 + y2 = 100
A. 
B. 
C. 
D. 
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Solve the system of equations by the substitution method.
A. {(-2, -4)} B. {(-4, 2)} C. {(-3, -2)} D. {(-4, -2)}
Mathematics