Find the real or imaginary solutions by completing the square.x2 + 4x + 13 = 0

A. {-2 ± 3i}
B.
C. {2 ± 3i}
D. {1, -5}


Answer: A

Mathematics

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Divide as indicated.

A. 4x4 + 16x2 - 40x B. 4x4 + 2x2 - 5x C. 32x3 + 16x - 40 D. 4x3 + 2x - 5

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Solve the equation. Write complex solutions in standard form.9x2 + 7x + 4 = 0

A.  ± 
B. -  ± 
C.  ± i
D. -  ± i

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Solve the triangle. 

A. c = 8.6, A =44.8°, B = 30.2° B. c = 10.6, A = 30.2°, B = 44.8° C. c = 9.6, A = 44.8°, B = 30.2° D. c = 9.6, A = 30.2°, B = 44.8°

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Determine the x- and y-intercepts on the graph of the equation.y = 11(x + 1) - 1

A. x-intercept is - ; y-intercept is 10
B. x-intercept is ; y-intercept is 10
C. x-intercept is 10; y-intercept is 12
D. x-intercept is - ; y-intercept is -10

Mathematics