Tuesday, August 24, 2010

Algebra help

Integrated algebra regents question 4:
The value of the expression −|a − b| when a = 12 and b = −3 is
(1) −15 (3) −9
(2) 15 (4) 9

Integrated algebra regents question 5:
Which expression represents in simplest form?
(1) 4x2 − 2x (3) 4x2 + 2x -1
(2) 4x2 − 4x (4) 10x2 − 4x + 1

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