Classify the real number as a natural number, whole number, integer, rational number and/or irrational number. The number may belong to more than one set.
A. natural number, whole number, integer
B. natural number, whole number, integer, rational number
C. integer, rational number
D. irrational number
Answer: B
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Factor completely.48a2 + 0a - 3
A. (4a + 1)(12a - 3) B. 3(4a - 1)(4a + 1) C. (12a + 3)(4a - 1) D. 3(4a + 1)(4a - 1)
Find an equation of a line satisfying the given conditions.Perpendicular to x = -1, passing through (5, 8)
A. y = -8 B. x = -1 C. y = 8 D. y = -1
Graph the hyperbola.(y + 3)2 - 9(x + 1)2 = 9
A. 
B. 
C. 
D. 
A newspaper article discussing whether Social Security could be cut offered the information shown in figure. Use the information in these graphs to answer the question.
There seems to be an error in one of the three line graphs. What is it?
A. Only one line at the bottom B. The line graph at right begins at 1960 C. The line graph at right begins at 50 rather than 0 D. The lines are too close at the top left graph E. There are no errors