Question

Which is an equation in point-slope form for the given point and slope? Point: (1,9); Slope: 5

A.y - 1 = 5(x+9)
B.y - 9 = 5(x+1)
C.y - 9 = 5(x-1)
D.y+9=5(x-1)

Answer 1

formula
point slope form - y-y 1=m(x-x 1)
so this w=question is asking you to plug in the numbers
so it would be
y-9 = 5( x-1)
so the answer is c.

Answer 2

Point-slope form is (y-y1)=m(x-x1)

We are given that m=5 and (x1,y1)=(1,9) so

y-9=5(x-1)