Question 174565
Find an equation of the line with slope -1/2,passing thru point(-2,5).

Use the point-slope formula and then write equation in the y-intercept form.

y - y1 = m(x - x1)

y - 5 = (-1/2)(x - (-2))

y - 5 = (-1/2)(x + 2)

y - 5 = (-1/2)(x) - 1

y = (-1/2)(x) -1 + 5

y = (-1/2)(x) + 4

Understood?