Question

Find the y-intercept of a line that has a slope of -2 and passes through the point (2,8)

Answer 1

Given point (2,8) and slope, we can use slope intercept form.

y-y1=m(x-x1)
y-8=-2(x-2)
y-8=-2x+4
y=-2x+12

Where, y=mx+b, b is the y intercept.

In this case, the intercept is 12.