Ti-84 calculator notes

Ti-84 Video

1. System of equations (trick)
 Apps
 #9 – equation solver
 Next
 enter both equations.
 Graph
 Get both solutions.
2. Zeroes/Rootes of a quadratic (trick)
 Apps
 #9 – Root finder
 Make sure it’s set to “1 equation and 2 solutions.”
 Next
 enter equation.
 Graph/solve
3. Graphing
 Y=
 Inter equation(s)
 Graph
4. Adjusting your graph
 Windows
 Scroll down to what needs to be changed.
 Clere
 Inter in your new #’s.
5. Interning in square root
 2nd
 X^2
6. Scientific notation
 enter the first part of your problem.
 2nd EE
 Repeat for your second expression.
 Enter
7. Finding your Min, X-INT, Y-INT, Max of a quadratic

Min Max X-INT Y-INT
2nd 2nd 2nd 2nd
calc calc calc calc
min Left bound x-INT value
Left bound Right bound Left bound X=0
Right bound Guess Right bound enter
enter enter guess
enter