Solve the equation.x2 + 81 = 0
A. {-9, 9}
B. {-9i, 9i}
C. {9}
D. {9i}
Answer: B
Mathematics
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What integer is represented by the curved arrow on the number-line diagram?
A. 10 B. -11 C. 11 D. 12
Mathematics
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Using Kruskal's algorithm, which edge should we choose first?
A. BD B. AE C. AB D. BF E. none of these
Mathematics
Solve the problem.The list price of a car is $14,998. The manufacturer offers a rebate of $737. What is the final price of the car?
A. $15,735 B. $14,161 C. $15,635 D. $14,261
Mathematics
Find the product.
A. x2 + 
x - 
B. x2 + 
x - 
C. x2 + 
x + 
D. x2 + 
x - 
Mathematics