Question

Determine as raízes de cada uma das Funções:

a) y= -3x-5/2

b) y= 4x

c) y= 2x/5 - 1/3

d) y= -x

Answer 1

Resposta:

A)

y=2x-8

2x-8=0

2x=8

x=8/2

x=4

b)

y=2x-3

2x-3=0

2x=3

x=3/2

c )

y=-5x-7

-5x-7=0

-5x=7

x=-7/5

D)

y=8x+1

8x+1=0

8x=-1

x=-1/8

h)

y=13x+26

13x+26=0

13x=-26

x=-26/13

x=-2

Explicação passo-a-passo:

A)

y=2x-8

2x-8=0

2x=8

x=8/2

x=4

b)

y=2x-3

2x-3=0

2x=3

x=3/2

c)

y=-5x-7

-5x-7=0

-5x=7

x=-7/5

d)

y=8x+1

8x+1=0

8x=-1

x=-1/8

h)

y=13x+26

13x+26=0

13x=-26

x=-26/13

x=-2