Two equations and their graphs are given. Find the intersection point of the gra

Algebra
Tutor: None Selected Time limit: 1 Day

Two equations and their graphs are given. Find the intersection point of the graphs by solving the system.
 
x + y = 4
2x + y = 9
(xy) = 
  
Apr 20th, 2015

y=4-x by equation 1. Substituting in 2, 2x+(4-x)=9, 4+x=9, x=5. Thus by equation 1, y=-1. (x,y)=(5,-1)

Apr 20th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Apr 20th, 2015
...
Apr 20th, 2015
Dec 11th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer