Use the quadratic formula to solve the equation.x(x - 2) = 9
A. {1 ± 
}
B. {1 ± 2i
}
C. {-1 ± 
}
D. {-1 ± 2i
}
Answer: A
Mathematics
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Rationalize the denominator.
A. 
B. 21
C.
 ? |
D.
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Solve the problem.One half of a number is 3 more than one-sixth the same number. What is the number?
A. 8 B. 18 C. 9 D. 12
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Solve.6 + 
- x = 0
A. 3 B. 12 C. 3, 12 D. empty set solution
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Solve the problem.The graph shows the population in millions of bacteria t minutes after a bactericide is introduced into a culture. Find the average rate of change of population with respect to time for the time interval.
1 to 2
A. 
B. -2
C. - 
D. 2
Mathematics