Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0

A. {-3 ± 3}
B.
C.
D.


Answer: D

Mathematics

You might also like to view...

Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.

A. B - A' B. A - B C. B ? A' D. A ? B'

Mathematics

Solve for the variable.-78 = -6n

A. 72 B. 13 C. 2 D. -72

Mathematics

Add.

A. 11,274,334 B. 11,274,344 C. 10,274,334 D. 11,284,334

Mathematics

Simplify the exponential expression.(15b)0

A. 1 B. 0 C. 15 D. b

Mathematics