Question

Desarrollo exponencial del número:4021

Answer 1

que pena con tigo estoyen sexto no se no e visto eso 

Answer 2

Respuesta:

a) 9x²-12x+4=0

a=9

b= -12

c=4

Fórmula general

[-b = ± √(b²-4ac)] /2a

[12 = ± √(-12²-4*9*4)]/2*9

[12 = ± √(144-144)]/18

[12 = ± √0] / 18

[12 = ± 0] / 18

x = 2/3

b)4x²+4x+1=0

a=4

b= 4

c=1

Fórmula general

[-b = ± √(b²-4ac)] /2a

[-4 = ± √(4²-4*4*1)]/2*4

[-4 = ± √(16-16)]/8

[-4 = ± √0] / 8

[-4 = ± 0] / 8

x = -4/8

x= -1/2

c) x²-6x+9=0

a=1

b= -6

c=9

[-b = ± √(b²-4ac)] /2a

[6 = ± √(-6²-4*1*9)]/2*1

[6 = ± √(36-36)]/2

[6 = ± √0] / 2

[6 = ± 0] / 2

x = 6/2

x = 3

d) x²+2x+1=0

a=1

b= 2

c=1

[-2 = ± √(b²-4ac)] /2a

[-2 = ± √(2²-4*1*1)]/2*1

[-2 = ± √(4-4)]/2

[-2 = ± √0] / 2

[-2 = ± 0] / 2

x = -2/2

x = -1

e)16x² -24x+9=0

a=16

b= -24

c=9

[-b = ± √(b²-4ac)] /2a

[24 = ± √(-24²-4*16*9)]/2*16

[24 = ± √(576-576)]/32

[24 = ± √0] / 32

[24 = ± 0] / 32

x = 24/32

x = 3/4

f) 4x²-12x+9=0

a=4

b= -12

c=9

[-b = ± √(b²-4ac)] /2a

[12 = ± √(-12²-4*4*9)]/2*9

[12 = ± √(144-144)]/18

[12 = ± √0] / 18

[12 = ± 0] / 18

x = 12/18

x = 2/3

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