Question

A line passes through (4, 5) and (8, 9). Which equation best represents the line?

y = x + 1
y = 1
y = 2x + 1
y = 5x + 8

Answer 1

Answer:

A) y=x+1

Step-by-step explanation:

y-y1=m(x-x1)

m=(y2-y1)/(x2-x1)

m=(9-5)/(8-4)=4/4=1

y-5=1(x-4)

y-5=x-4

y=x-4+5

y=x+1

Answer 2

Answer:

y = x + 1

Step-by-step explanation:

I got the answer right on the test