Decide whether or not the equation has a circle as its graph. If it does not, describe the graph.2x2 + 2y2 + 16x - 4y + 26 = 0
A. no; the graph is the point (4, -1)
B. yes
C. no; the graph is the point (-4, 1)
D. no; the graph is nonexistent
Answer: B
Mathematics
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Provide an appropriate response.A number rounded to the nearest thousand is 89,000. What is the largest whole number this could have been before rounding?
A. 89,999 B. 89,500 C. 89,499 D. 88,999
Mathematics
In a parallel circuit, R = 300 ê and C = 15 æF. Find Z when f = 60 Hz.
a. 152 /-60è ê b. 176 /-30.4è ê c. 348 /59.6è ê d. 176 /59.6è ê e. 348 /-59.6è ê
Mathematics
Simplify the expression.
?
?
A. 
B. 
C. 
D. 
Mathematics
Write the first four terms of the sequence.an = 1 - 
A. a1 = 0, a2 = 
, a3 = 
, a4 = 
B. a1 = 0, a2 = 
, a3 = 
, a4 = 
C. a1 = 1, a2 = 
, a3 = 
, a4 = 
D. a1 = 1, a2 = 
, a3 = 
, a4 = 
Mathematics