![]() ![]() Enter the function in Y1 and graph in an appropriate window.Then press ENTER Finding Derivatives Graphically Y1 will now appear on the home screen.Press VARS Y-VARS, then select Function, Y1.Enter the function in Y1, then press 2nd QUIT.After X=, enter the input you wish to evaluate theįunction at and press ENTER Determining the Value of a function from the Home Screen.Enter the function in Y1, then press GRAPH.Then move back to the X= line and press ALPHA ENTER to solve the equation.ĭetermining the Value of a Function from a Graph On the line bound choose a "window" to look for If you do not see "EQUATION SOLVER" at the top of the screen, press the up arrow key before you enter the equation you Second curve, and ENTER for your guess (you may want to use theĪrrow keys to move the cursor closer to the intersection). PressĮNTER to select the first curve, ENTER to select the Choose an appropriate window and graph both equations so you can see. ![]() Y1 and the right hand side of the equation in Y2. Enter the left hand side of the equation in You can ignore Xscl and Yscl if you want. If you want toĬhange the window range, press WINDOW and select a range for If you want to remove the scatter diagram, move the cursor up to the top lines and press ENTER to change whether each plot is on or off, or select STAT ![]() Press GRAPH to view both the equation and the scatterĭiagram.To easily graph the equation, press Y= and first clear anyĮquations already present.After data is entered, press STAT and select CALC, then choose the.If you get other graphs, then press Y= and clear anyĮquations already in the equation editor or just ignore them.Until you come to ZoomStat (It is number 9 in the list, so you To draw the diagram, press ZOOM, then arrow down the list.Create your scatterĭiagram by selecting, in order, On, Scatter (the 1st picture), L1, L2, andĪny of the three marks (I recommend the first one). Press 2nd Y= and select Plot1, 2, or 3.It is best to put the x-axis data in list 1 and the y-axis data Enter data into lists by pressing STAT, then selectingĮdit.Use of the TI-84 in Math 142 Use of the TI-84 in Math 142 Entering Data/Drawing a Scatter Diagram ![]()
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