Solve the quadratic equation by completing the square.x2 + 18x + 58 = 0
A. {-9 - 
, -9 + 
}
B. {9 + 
}
C. {-18 + 
}
D. {9 - 
, 9 + 
}
Answer: A
You might also like to view...
Find the indicated derivative.Find y " if y = -2 cos x.
A. y " = 2 sin x B. y " = -2 cos x C. y " = -2 sin x D. y " = 2 cos x
Solve the problem.If the points P, Q, R, S, T, and U are equally spaced and collinear, then find the center and scale factor for the size transformation taking 
to 
.P Q R S T U? ? ? ? ? ?
A. Center R; scale factor 2 B. Center P; scale factor 2 C. Center Q; scale factor 2 D. Center P; scale factor 1/2
Multiply.(99)(251)(0)
A. 24,849 B. 24,839 C. 24,949 D. 0
Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.1 - 
, 1 + i
A. f(x) = x4 - 4x3 + 4x2 - 4 B. f(x) = x4 + 3x3 + 4x2 - 1 C. f(x) = x4 + 6x3 + 4x2 - 4 D. f(x) = x4 - 6x3 + 8x2 - 4