Question

Write 5(1.25)^-x standard form with steps

Answer 1

Answer:

Ste4

×

y

=

4

×

(

1

4

x

−

5

)

4

y

=

(

4

×

1

4

x

)

−

(

4

×

5

)

4

y

=

(

4

×

1

4

x

)

−

20

4

y

=

1

x

−

20

Next step is to move the  

x

term to the left side of the equation by subtracting  

1

x

from each side of the equation:

−

1

x

+

4

y

=

−

1

x

+

1

x

−

20

−

1

x

+

4

y

=

−

0

−

20

−

1

x

+

4

y

=

−

20

Now, to make the coefficient of  

x

positive we need to multiply both sides of the equation by  

−

1

−

1

×

(

−

1

x

+

4

y

)

=

−

1

×

−

20

(

−

1

×

−

1

x

)

+

(

(

−

1

×

4

y

)

=

20

1

x

−

4

y

=

20

or

1

x

−

4

y

=

20p-by-step explanation: