## How do you find the mean on a TI 84 Plus?

Next press 2nd STAT ▶ ▶ to select the list math menu.

Press 3 to paste the mean( function to the home screen.

Press 2nd 1 to type L1, and press ENTER to evaluate.

This returns the mean of the entered list..

## How do you find the point of intersection on a TI 83 calculator?

The TI-83 will show you the equation being graphed in the upper left hand corner of the screen.Press Calc (2nd Trace)Choose Intersect (#5)For the First Curve, hit enter.For the Second Curve, hit enter.For the Guess, arrow to the intersection and press enter.The TI-83 will return a value for x and y.

## How do you find the exact point on a graphing calculator?

TI-84: Finding Graph Coordinates (Tracing)Press [Trace]. Then use the right and left arrow keys to move along the curve. … Use the Up or Down arrow keys to switch functions. Then use the Right and Left arrow keys to trace.Alternatively, [2nd] [CALC] provides a menu of items. Choose “5: intersect”.

## How do you find the intersection of two equations?

Here’s the summary of our methods:Get the two equations for the lines into slope-intercept form. … Set the two equations for y equal to each other.Solve for x. … Use this x-coordinate and plug it into either of the original equations for the lines and solve for y.More items…