Identify the equation without applying a rotation of axes.4x2 + 11xy + 4y2 - 2x - 4y + 9 = 0
A. parabola
B. hyperbola
C. circle
D. ellipse
Answer: B
Mathematics
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Express as a single logarithm and, if possible, simplify.loga100 - loga 10
A. loga 90
B. 10 loga 100
C. loga 10
D. loga 
Mathematics
A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 7x - 2, L = 19, x0 = 3, and ? = 0.01
A. 0.001429 B. 0.003333 C. 0.002857 D. 0.000714
Mathematics
Multiply.
(
+ 
)
A. 40 - 16i B. 16 + 40i C. -16 - 40i D. -16 + 40i
Mathematics
Solve the problem.If an object is dropped off of a tower, the velocity, V, of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Express V as a linear function of t.
A. V(t) = 32 + 10t
B. V(t) = 32t + 10
C. V(t) = 42t
D. V(t) = 
Mathematics