Find the modulus of the number.-8 + 6i
A. 
B. 100
C. 14
D. 10
Answer: D
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Simplify the expression. Assume all variables represent positive real numbers.
? 
A. x5y4
B. x5y5
C. x5y4
D. x5y6
Multiply and simplify. Assume that all variables represent positive real numbers.
(
- 
)
A. 1000x - 
B. 10x
- 
C. 10x
D. 10x(x
- 1)
Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points.
A. bounded;
corner points (3, 0), (0, 3),(0, 1), (1, 0)
B. no solution
C. unbounded;
corner points (0, 0), (0, 1), (1, 0)
D. unbounded;
corner points (3, 0), (0, 3)
A new car dealership has taken an inventory of the vehicles it has in stock. Below is a histogram indicating the number of vehicles in stock in certain price ranges. Use the histogram to answer the question.
What percent of the 75 vehicles in stock were priced under $14,000?
A. 20% B. 6.7% C. 13.3% D. 1.3%