Factor the polynomial by grouping.2x2 + 9x + 18x + 81
A. (2x + 9)(2x + 9)
B. (2x + 9)(9x + 2)
C. prime
D. (x + 9)(2x + 9)
Answer: D
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Solve the problem.If u = -8i - 2j and v = 6i + 7j, find u + v.
A. -2i + 5j B. -14i - 3j C. 14i + 5j D. -3i + 5j
Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 10; length of minor axis is 4
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
Explain the behavior of the graph of f(x) as it approaches its vertical asymptote.f(x) = 
A. Approaches ? from the left, approaches -? from the right B. Approaches ? from the left and the right C. Approaches -? from the left, approaches ? from the right D. Approaches -? from the left and the right