Write equation in slope-intercept form

Question

through points:    (2,5)

perpendicular to:  y=-x+3

Answer 1

The perpendicular line has slope that is the negative reciprocal of -1, which is +1

 

y = mx + b

 

5 = (1)(2) + b

 

5 = 2 + b 

 

y = x + 3