Question

x+3y=-21 in slope-intercept form

Answer 1

3y = -x-21

y = - ⅓x-7

slope= -⅓

y intercept= -7

Answer 2

Answer:

Subtract

x

from both sides of the equation.

−

3

y

=

21

−

x

Divide each term by

−

3

and simplify.

y

=

x

3

−

7

Rewrite in slope-intercept form.

y

=

1

3

x

−

7