SOLUTION: Architecture. Architects often use the equation x + y = 18 to determine the height y, in inches, of the riser of a step when the tread is x inches wide. Express the slope of stairs

Algebra ->  Graphs -> SOLUTION: Architecture. Architects often use the equation x + y = 18 to determine the height y, in inches, of the riser of a step when the tread is x inches wide. Express the slope of stairs      Log On


   

Question 436466: Architecture. Architects often use the equation x + y = 18 to determine the height y, in inches, of the riser of a step when the tread is x inches wide. Express the slope of stairs designed with this equation without using the variable y.
Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
slope equation in the form of y=mx+b
y=-x+18
slope is -1 ans