Solve the equation by completing the square.x2 - 4x + 1 = 0
A. {-2 + 
}
B. {-2 + 
, -2 - 
}
C. {2 + 
}
D. {2 + 
, 2 - 
}
Answer: D
Mathematics
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Solve the equation. Check your solution.6(x + 5) = 7[x - (3 - x)]
A. 
B. 
C. 
D. 
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Mathematics
A = 58ø, a = 8, and c = 10. Using the Law of Sines, find b.
a. 6.0 b. No possible solution c. 7.48 d. 9.22 e. 12.0
Mathematics
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(0, 1)} B. {(1, 0)} C. ? D. {(-1, 0)}
Mathematics