Question

Write the equation in slope-intercept form (y = mx + b).

3x + 4y = 8
1. y = 3/ 4x + 8
2. y= -3/4x +8
3. -3/4x + 2
4. 3/4x +2

Answer 1

y=mx+b

3x+4y=8

move 3x to the other side

sign changes from +3x to -3x

3x-3x+4y=-3x+8

4y=-3x+8

divide both sides by 4 to get y by itself

4y/4=-3x/4+8/4

y=-3x/4+2

y=-3/4x+2

answer:

-3/4x+2