Solve the quadratic equation by completing the square.x2 - 14x = -40
A. -10, -4
B. 36, 4
C. ±
D. 10, 4
Answer: D
Mathematics
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Rewrite the following as indicated.0.54 (Write as a percent.)
A. 54% B. 540% C. 5.4% D. 0.054%
Mathematics
Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find a unit vector that has the same direction as the given vector.u = 
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the rational function.r(x) = 
A. All real numbers except -8 and 2. B. All real numbers except -2 and 8. C. All real numbers except -6 and 6. D. All real numbers.
Mathematics