Complete the equation of the line through (-6,-5) and (-4,-4).
Given two points, find the slope:
m = ( y2 - y1 ) / ( x2 - x1 )
m = ( -4 - -5 ) / ( -4 - -6 ) = 1 / 2
Use the point-slope form:
y - y1 = m( x - x1 )
y - -5 = ½( x - -6 )
y + 5 = ½( x + 6 )
y + 5 = ½x + 3
y = ½x - 2
