Solve the equation by completing the square.x2 + 4x + 1 = 0
A. {-2 ± 
}
B. {1}
C. {2 ± 
}
D. {
± 2}
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Solve by graphing.During the month of January, the depth, d, of snow in inches at the base of one ski resort could be approximated by 
where t is the number of days since December 31st. Graph the equation for t ? 0 and then use it to estimate the depth of snow on January 25th.
What will be an ideal response?
Mathematics
Identify the base and the exponent for the exponential expression.-814
A. Base: -8, exponent: 14 B. Base: 8, exponent: 14 C. Base: 14, exponent: -8 D. Base: 14, exponent: 8
Mathematics
Express as a single logarithm and, if possible, simplify.logb a - logb y
A. logb 
B. logb 
C. logb a - y
D. log2b 
Mathematics