Resolva as seguintes equações do 2º grau em R, aplicando a fórmula
resolutiva de Bhaskara:
- 4x2 – 7x + 3 = 0
- x2 + 8x + 12 = 0
- x2 + 5x - 24 = 0
- 5x2 - 6x + 1 = 0
- - x2 + 11x - 18 = 0
- x2 - 4x - 21 = 0
- 4x2 - 4x + 1 = 0
- x2 - 12x + 36 = 0
- 25x2 + 20x + 4 = 0
- x2 + 2x + 2 = 0
- 2x2 + 3 = 4x
- (x + 4)(x – 1) = 5x + 20
- x2 + 7x = 0
- – 3x2 + 9x = 0
- 2x2 + 3x = 0
- (x + 5)(x – 1) = 2x – 5
- (x – 3)2 = 9
- (x + 2)2 = 4
- x2 – 16 = 0
- 2x2 + 50 = 0
- - 5x2 + 20 = 0
- 9x2 = 25
- (x + 6)(x – 4) = 2x + 12
- (x – 5)2 = 2x(x – 5)
- x2 - 9x + 20 = 0
- x2 + 9x + 14 = 0
- x2 – 3x – 10 = 0
- –x2 – x + 20 = 0
- 2x2 + 7x + 6 = 0
- 4x2 – 4x + 2 = 0
- 2x2 – 3x + 5 = 0
- x2 + 8x + 16 = 0
- x2 – 5x = 0
- x2 + 6x = 0
- (t + 5)2 – 2 = 23
- (3x + 4)(2x – 1)= -4
- x2 – 49 = 0
- 3x2 – 75 = 0
- – x2 + 4 = 0
- (x – 3)(x + 2) = 14
- x2 – 13x + 22 = 0
- – x2 + 5x – 4 = 0
- 6x2 – 5x + 1 = 0
- x2 – 18x + 81 = 0
- x2 + 2x – 3 = 0
- (x – 1)(x + 2) = 10
- x2 – 17x + 16 = 0
- 4x2 – 5x + 1 = 0
- x2 + 10x + 9 = 0
- 5x2 – 20x = 0
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