SOLUTION: given:y = -x-3 ; sketch the graph and determine the inverse algebrically verify your solution graphically

Algebra ->  Linear-equations -> SOLUTION: given:y = -x-3 ; sketch the graph and determine the inverse algebrically verify your solution graphically      Log On


   

Question 953257: given:y = -x-3 ; sketch the graph and determine the inverse algebrically verify your solution graphically
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
given:y = -x-3 ; sketch the graph
Plot (0,-3) and (-3,0)
Draw a line thru them::
graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C-x-3%29
------------------------------------
and determine the inverse algebrically
Ist: Interchange x and y::
x = -y-3
2nd: Solve for "y":
y = -x-3
--------------
verify your solution graphically
The function is its own inverse.
---------
Cheers,
Stan H.
------------