Solve the quadratic equation. Write the answer in simplest form.(x + 9)2 = -12

A. {-9 - 2-9 + 2}
B. {-9 - 2i-9 + 2i}
C. {-2i, 2i}
D. {-9 - 2i-9 + 2i}


Answer: D

Mathematics

You might also like to view...

Find the total area of the region between the curve and the x-axis.y = x2 + 1; 0 ? x ? 1

A.
B.
C.
D.

Mathematics

Divide and simplify. ÷  

A.
B.
C. 4 - b
D.

Mathematics

Find an equation for the graph.

A. y = -3 cos (3x)
B. y = -3 cos 
C. y = 3 cos 
D. y = -3 sin (3x)

Mathematics

Graph the pair of parametric equations in the rectangular coordinate system.x = 3 + 3 sin t, y = 3 + 3 cos t; 0 ? t ? 2? 

A.

B.

C.

D.

Mathematics