) – x² – 6x –18 = 0 * a = 1 b = 6 c = 18a = 0 b = –6 c = –18a...
) – x² – 6x –18 = 0 *a = 1 b = 6 c = 18
a = 0 b = –6 c = –18
a = –1 b = 6 c = –18
a = –1 b = –6 c = –18
a = 1 b = –6 c = –18
b) 4x² + x – 9 = 0 *
a = 4 b = 0 c = –9
a = 4 b = 1 c = –9
a = 4 b = 1 c = 9
a = –4 b = –1 c = –9
a = 4 b = –1 c = –9
c) x² – 64 = 0 *
a = –1 b = –1 c = –64
a = –1 b = 0 c = –64
a = 1 b = 0 c = –64
a = 1 b = –64 c = 0
a = 2 b = 0 c = –64
d) 5x² +7x = 0 *
a = 5 b = 7 c = 0
a = 0 b = 5 c = 7
a = 5 b = 0 c = 7
a = –5 b = 0 c = –7
a = 5 b = –7 c = 1
e) –3x² +275 = 0 *
a = –3 b = –1 c = 275
a = –3 b = 275 c = 0
a = –2 b = 0 c = –275
a = –3 b = 0 c = –275
a = –3 b = 0 c = 275
a = 0 b = –6 c = –18
a = –1 b = 6 c = –18
a = –1 b = –6 c = –18
a = 1 b = –6 c = –18
b) 4x² + x – 9 = 0 *
a = 4 b = 0 c = –9
a = 4 b = 1 c = –9
a = 4 b = 1 c = 9
a = –4 b = –1 c = –9
a = 4 b = –1 c = –9
c) x² – 64 = 0 *
a = –1 b = –1 c = –64
a = –1 b = 0 c = –64
a = 1 b = 0 c = –64
a = 1 b = –64 c = 0
a = 2 b = 0 c = –64
d) 5x² +7x = 0 *
a = 5 b = 7 c = 0
a = 0 b = 5 c = 7
a = 5 b = 0 c = 7
a = –5 b = 0 c = –7
a = 5 b = –7 c = 1
e) –3x² +275 = 0 *
a = –3 b = –1 c = 275
a = –3 b = 275 c = 0
a = –2 b = 0 c = –275
a = –3 b = 0 c = –275
a = –3 b = 0 c = 275
1 Resposta
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1 - a) 3x^2 - 2x + 7 = 0
b) -x^2 + 7 = 0
c) 2x^ - 25 = 0
2 - a) -11x^2 + 8x + 5 = 0
b) x^2 + 3x + 2 = 0
c) x^2 + 2x + 5 = 0
d) 2x^2 + 2 = 0
3 - a) x^2 = 1
b) x^2 = 0
c) x^2 = 1
4 - a) Incompleta
b) Completa
c) Completa
d) Incompleta
b) -x^2 + 7 = 0
c) 2x^ - 25 = 0
2 - a) -11x^2 + 8x + 5 = 0
b) x^2 + 3x + 2 = 0
c) x^2 + 2x + 5 = 0
d) 2x^2 + 2 = 0
3 - a) x^2 = 1
b) x^2 = 0
c) x^2 = 1
4 - a) Incompleta
b) Completa
c) Completa
d) Incompleta
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