Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.2x2 - 5x = 7
A. x = 
, x = -1
B. x = 
, x = 1
C. x = 
, x = 1
D. x = 
, x = -1
Answer: D
Mathematics
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Provide an appropriate response.Write the set -7 ? x < -2 using interval notation.
A. (-?, -7) ? [-2, ?) B. (-?, -7] ? (-2, ?) C. (-7, -2] D. [-7, -2)
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Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
Write the given number in the situation as an integer.John lost 16 pounds while on his diet.
A. -16 pounds B. 16 pounds
Mathematics
Solve the problem.What is the rate on an investment that doubles $2520 in 17 years? Assume interest is compounded quarterly.
A. 4.1% B. 5.1% C. 3.1% D. 2.0%
Mathematics