Write equation in slope-intercept form for this line

Question

Line passes through the point ( 9,-4) and has a slope of -4/3. Write equation in slope intercept form

Answer 1

y=mx+b ⇔ y=(-4/3)x+b ⇔ -4=-(⇔4/3)x9+b -4=12+b ⇔b=-16 the function is y=9-4/3x-16

m=-4/3 A(9,-4)