Solve the equation by completing the square.x2 + 10x + 10 = 0
A. 5 ± 
B. -10 + 
C. 5 + 
D. -5 ± 
Answer: D
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What will be an ideal response?
Write the compound statement in symbolic form. Let letters assigned to the simple statements represent English sentences that are not negated. Use the dominance of connectives to show grouping symbols (parentheses) in symbolic statements.If I like the song I do not change the station if and only if the DJ is entertaining.
A. (p ? r) ? q B. (p ? ~r) ? q C. p ?( r ? q) D. p ? (~r ? q)
Find the sample standard deviation.15, 15, 15, 18, 21, 21, 21
A. 3 B. 7.7 C. 9.0 D. 2.8
Provide an appropriate response.If a fraction with denominator 
must be written as an equivalent fraction with denominator 
then the original fraction must be multiplied by (x + 9)2 in both the numerator and the denominator.
A. True B. False