Question

Write an equation in slope-intercept form using the given information about each line.

Line goes through the points (2 , 8) and (4 , 9)

Answer 1

9514 1404 393

Answer:

y = 1/2x +7

Explanation:

I like to start with the 2-point equation for a line.

y = (y2 -y1)/(x2 -x1)(x -x1) + y1

y = (9 -8)/(4 -2)(x -2) +8 . . . . . fill in point values

y = 1/2(x -2) +8 . . . . . simplify a bit

y = 1/2x +7