Question

Write an equation, in slope-intercept form of the line through these two points. (2, 9) and (0, 2)

Answer 1

y =
`(7)/(2)`x + 2

Explanation:

m= 2-9/ 0-2 =
`(-7)/(-2)` =
`(7)/(2)`

y=mx+b 9 =
`(7)/(2)` (2) + b

m=
`(7)/(2)` 9 = 7 + b

b = 2 -7 -7

2 = b

y =
`(7)/(2)` x + 2