2) DETERMINE O DISCRIMINANTE DE CADA EQUAÇÃO

A) 2x²+12x + 18 =0

B) x² -4X+ 9 = 0

C) 25x²- 20x + 4 =0

D) x² +2X-15=0

E) x² + 3x +2 = 0

F) x² + x – 12 = 0

G) x² - 2x + 1 = 0

H) x² + 6x– 9 =0

I) x² - 4x - 5 = 0

J) -x² + x + 12 = 0

K) -x² + 6x - 5 = 0

L) 6x² + x - 1 = 0

M) 3x² - 7x + 2 = 0

AJUDEM AI PFVR É PRA HJ.​
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