Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 + 12x = - 3
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.For f(x) = (x + 5)(x - 6)(x - 9), find all x-values for which f(x) > 0.
A. (-?, -5) ? (6, 9) or {x|x < -5 or 6 < x < 9} B. (-5, 6) ? (9, ?) or {x|-5 < x < 6 or x > 9} C. (-?, 6) or {x| x < 6} D. (9, ?) or {x|x > 9}
Mathematics
Add.(4x2 - xy - y2) + (x2 + 9xy + 7y2)
A. 3x2 - 10xy - 8y2 B. 5x2 + 8xy + 6y2 C. 4x2 + 9xy + 7y2 D. 5x2 + 10xy + 8y2
Mathematics
Solve the problem.The kings are separated from a deck of standard playing cards and shuffled. One is randomly selected. What are the odds in favor of drawing a black card?
A. 1 to 2 B. 4 to 1 C. 1 to 1 D. 1 to 4
Mathematics
Write the ratio or rate in simplest form.A trip of 432 miles uses 45 gallons of gasoline.
A. 
B. 
C. 
D. 
Mathematics