Solve the quadratic equation by completing the square.x2 + 8x = 5
A. x = -1 ± 
B. x = 4 + 
C. x = -4 ± 2
D. x = -4 ± 
Answer: D
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Solve the problem. Simplify the fraction, if possible.The bar graph below shows the number of tickets sold each week by the garden club for their annual flower show. Of the total number of tickets sold during this six-week period, what fraction was sold during week three?
A. 
B. 
C. 
D. 
Use the graph to solve the problem.The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 4 cm.
A. 48 cm2 B. 72 cm2 C. 12 cm2 D. 0 cm2
Solve.(x - 1)2 = -16
A. 1 ± 4i B. 4i C. 4i + 1 D. 1 ± 4
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 778. Find a linear equation which fits this data.
A. y = 3.555x + 505.5 B. y = 3.95x + 501.5 C. y = 3.555x - 505.5 D. y = -3.95x + 501.5