Lista de Exerccios

ista de Exerccios Equao do 2 Grau1)Quais das equaes abaixo so do 2 grau?

( ) x 5x + 6 = 0

( ) 2x - 8x - 2 = 0

( ) x - 7x + 10 = 0

( ) 4x - 1 = 0

( ) 0x + 4x 3 = 0

( ) x - 7x

2)Classifique as equaes do 2 grau em completas ou incompletas e determine os coeficientes a, b, c.

a) x - 7x + 10 = 0

b) 4x - 4x +1 = 0

c) x - 7x = 0

d) x - 16 = 0

e) x + 0x + 0 = 0

3)Resolva as equaes do 2 grau:

a) 4x - 36 = 0

b) 7x - 21 = 0c) x + 9 = 0

d) x - 49 = 0

e) 5x - 20 = 0

1. COLOQUE as equaes do 2 grau na forma reduzida e identifique os coeficientes a, b e c:

2. RESOLVA as equaes abaixo:

a)

b)

c)

d)

14. Se , ento o valor de x :

15. DETERMINE x nas equaes abaixo:

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_1338938227.unknown

_1345328449.unknown

_1345328385.unknown

_1314400057.unknown

_1317463318.unknown

_1274527404.unknown

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