USANDO A FÓRMULA DE BHÁSKARA.

DETERMINE AS SOLUÇÕES REAIS DAS EQUAÇÕES ( QUANDO EXISTIREM).

A) 2x² - 3x +1=0

B)x² - 2x -3=0

C)-3x² +10x -3=0

D)x² +x+ 2=0

E)x² -0,6x + 0,08=0

F)y(y+2) + (y-1)²=9

G) ( t -1)² + (t+ 2)² - 9 =0

H) _x _- 1 ⁻ _3x_ - x²_ = x + _1_
2 3 3




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