Which of the following constants can be added to x2 - 6x to form a perfect square trinomial?
A.6
B.9
C.36

ANSWERS

2016-04-22 05:02:24

you need a number so that 2x = -6 that is -3 . Now square this number. This gives +9 Answer is 9

2016-04-22 05:03:39

The answer would be 9

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