Solve the equation by completing the square.x2 + 4x = 9

A. -2 ± 1
B. -1 ± 
C. -2 ± 
D. 2 + 


Answer: C

Mathematics

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Which of the following is not true? ?

A. ?The sum of the angles in a parallelogram equals 360?. B. ?Opposite angles in a parallelogram are equal. C. ?Adjacent angles in a parallelogram are equal. D. ?Adjacent angles in a parallelogram are supplementary. E. ?The sum of adjacent angles in a parallelogram equal 180?.

Mathematics

Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.

A.

B.

C.

D.

Mathematics

Find the nth term of the geometric sequence with the given values.a = 243, r = , n = 6

A.
B.
C. 3
D. 1

Mathematics

For the following question(s), refer to the tournament digraph below. The vertices of the digraph represent five tennis players in a round-robin tournament. An arc XY represents the fact that X defeated Y in the tournament. Which player won the tournament?

A. A B. B C. C D. D E. E

Mathematics