Texas Instruments TI-84 Instructions Manual page 3

c) Find the intersection of the lines
PRESS 2 ND TRACE THEN THE CALC MENU. Your screen should look like the one below.
PRESS 5 FOR INTERSECT OR CURSOR DOWN AND PRESS ENTER. Your screen should now look like this:
 
y x
 
y x
1. Solve the above Equations for y.
GRAPH BOTH EQUATIONS.
VIEW GRAPHS
1
using the intersection function on your calculator.
3
 
y x
  
y x
2
1
3