Quickly Find The nth Term Of A Quadratic Sequence Using Statistics Mode Hack - Classwiz Regression

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⨸ Aʙᴏᴜᴛ Tʜɪs Vɪᴅᴇᴏ ⨸ - This video looks at how you can hack the Casio Classwiz regression feature to find the nth term of a quadratic sequence given that you know at least the first 3 terms. We also use TABLE mode to check that the nth term is correct by generating the sequence and checking terms.
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[@ijabbott63]

An alternative to entering the function in table mode is to use estimated value calculation, e.g. with the calculator showing the regression formula and coefficients, press AC, type the x value (e.g. 4), press OPTN, Down, 4:Regression, 6:ŷ, =. It shows the input (e.g. 4ŷ) and the answer (e.g. 45). Repeat for other values of x (there is no need to press AC first). However, your table method is probably quicker if you need to display more than 2 or 3 results.

[@cagatayturkkan2289]

I just bought casio classwiz.your videos are great thank you i hope you continue recording video

[@ti84satact12]

Nice video. I am a TI84 Guy because it's the calculator my school has chosen, but I show my students this same idea using the regression feature to find the quadratic function. What software do you use to create your videos?

[@TheCalculatorGuide]

It is the Classwiz emulator and Screenflow on Mac.

[@ti84satact12]

@@TheCalculatorGuide Thanks. I'll have to take a closer look at Screenflow.

[@024yara]

omg you sound like stampy

[@samaramisha]

Where is Regression on CASIO CG50?

[@TheCalculatorGuide]

It should be under CALC from the menu, 1-VAR, 2-VAR then REG