For the given augmented matrix, find a value of k so that the associated linear system is inconsistent.
A. 6
B. -12
C. 12
D. -6
Answer: B
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A city crew must paint the median divider along each of the 47 streets in the neighborhood shown below (starting and ending at A). The foreman wants to organize the route in the most efficient possible way.
An optimal eulerization of the graph that models this problem can be obtained by adding
A. 11 edges. B. 10 edges. C. 14 edges. D. 16 edges. E. none of these
Simplify the complex rational expression.
A. 
B. 1
C. 12
D. 
Find the difference.- 
- 
A. - 
B. - 
C. - 
D. 
Find the vertex, focus, and directrix of the parabola.y2 = 32x
A. Vertex: V(0, 0); focus: F(8, 0); directrix: x = 8 B. Vertex: V(0, 0); focus: F(8, 8); directrix: x = 8 C. Vertex: V(0, 0); focus: F(0, 8); directrix: y = -8 D. Vertex: V(0, 0); focus: F(8, 0); directrix: x = -8