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OpenStudy (anonymous):
Check all polynomials that are perfect square trinomials: -49x2 − 8x + 16 -4a2 − 20a + 25 -25b2 − 5b + 10 -16x2 − 8x + 1
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OpenStudy (anonymous):
Im guessing its the 1st, 2nd, and 4th?
OpenStudy (anonymous):
only -4a2 − 20a + 25, -16x2 − 8x + 1 are perfect square trinomials
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