Question

X= 6, y= ?. y=700, x= ? I will give 20 points if you answer, please.

Answer 1

y=900.

If you look at the graph, when x=6, the line of best fit suggests that y would equal 900

Answer 2

Rewrite the equation as

6

−

y

=

x

.

6

−

y

=

x

Subtract

6

from both sides of the equation.

−

y

=

x

−

6

Multiply each term in

−

y

=

x

−

6

by

−

1

Multiply each term in

−

y

=

x

−

6

by

−

1

.

(

−

y

)

⋅

−

1

=

x

⋅

−

1

+

(

−

6

)

⋅

−

1

Multiply

(

−

y

)

⋅

−

1

.

y

=

x

⋅

−

1

+

(

−

6

)

⋅

−

1

−

1

to the left of

x

.

y

=

−

1

⋅

x

+

(

−

6

)

⋅

−

1

Rewrite

−

1

x

as

−

x

.

y

=

−

x

+

(

−

6

)

⋅

−

1

Multiply

−

6

by

−

1

.

y

=

−

x

+

6

Explanation: