State the value of the discriminant and the number of real solutions.5x2 - 20 = 0
A. 400, one
B. 400, two
C. 0, one
D. -400, two
Answer: B
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Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?
Identify the property that allows you to conclude that the triangles are congruent. Or, if such a conclusion cannot be made, answer "None."
A. ASA B. SAS C. AAS D. None
Graph the line containing the given pair of points and find the slope. (-2, 0) (-4, -1) 
A. 2
B. 
C. - 
D. -2
Graph the function.f(x) = 
A. 
B. 
C. 
D. 