Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0
A. {-3 - 3
, -3 + 3
}
B. 
C. 
D. 
Answer: B
Mathematics
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The graph of velocity lies below the horizontal axis. What can be said about the graph of directed distance?
A. It is above the horizontal axis. B. It is below the horizontal axis. C. It is increasing. D. It is decreasing.
Mathematics
Compute the division. Express your answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Express the solution set of the inequality in interval notation.x ? -22
A. (-?, -22) B. [-22, ?) C. (-?, -22] D. (-22, ?)
Mathematics
Evaluate. 
3? 
A. 
B. 
C. - 
D. - 
Mathematics