Identify the equation without applying a rotation of axes.3x2 - 8xy + 2y2 + 4x + 2y - 9 = 0
A. ellipse
B. parabola
C. hyperbola
D. not a conic
Answer: C
Mathematics
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Construct a phase line. Identify signs of y' and y".y' = , y > 0
A.
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B.

C.
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D.

Mathematics
Arrange slopes from flattest to steepest.
Mathematics
Estimate the following problem. Select the nearest answer. 2,100 ð 110 =
a. 210,000 b. 21,000 c. 211,000,000
Mathematics
Solve the problem.In 1980, the population of a city was 6.8 million. By 1992 the population had grown to 9.5 million. Find the average rate of change in population from 1980 to 1992..
A. million per year
B. million per year
C. million per year
D. million per year
Mathematics