Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.
x2 - 
x = -1
A. -1.5
B. ± 0.667
C. 1.5
D. 0.086, 2.914
Answer: C
Mathematics
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Perform the indicated operation.-99 ÷ (-9)
A. 
B. -11
C. 11
D. 1
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Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
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Identify the property illustrated by the statement. Assume all variables represent real numbers.2 + 7 = 7 + 2
A. Associative B. Commutative C. Identity D. Inverse
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The annual interest rate and a line of an amortization schedule for a loan are given. Complete the next line of the schedule. Assume that payments are made monthly.
A. 
B. 
C. 
D. 
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