The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
A. Yes
B. No
Answer: B
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List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting E ?B ? F ? D
A. E ?B ? F ? D ? A ? C E ?B ? F ? D ? C ? A B. E ?B ? F ? D ? A ? C E ?B ? F ? D ? C ? A E ?B ? F ? D ? A ? E E ?B ? F ? D ? E ? C C. E ?B ? F ? D ? A ? C ? E E ?B ? F ? D ? C ? A ? E D. E ?B ? F ? D ? A ? C ? E E ?B ? F ? D ? C ? A ? E E ?B ? F ? D ? A ? E ? C E ?B ? F ? D ? E ? C ? A
Use the graph to answer the question. 
What were the total sales for the first 6 months of 2007?
A. $302,000 B. $366,000 C. $64,000 D. $286,000
Decide whether the statement is true or false. If it is false, tell why.If k = 0, then x2 = k will have exactly one real solution.
A. True B. False; the equation will have two real solutions. C. False; the equation will have no real solution.
Simplify.92 + 9 ? 10 - (8 + 6 ? 3)
A. 129 B. 181 C. 145 D. 874