Changes
From Karnataka Open Educational Resources
397 bytes added
, 07:09, 30 August 2020
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| === Process (How to do the activity) === | | === Process (How to do the activity) === |
− | {{Geogebra|gpxgugb9}} | + | {{Geogebra|gpxgugb9}}'''Procedure:''' |
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| + | The general form of quadratic equation is ax²+bx+c=0,where a, b, c are known values, x is variable and a≠0.This equations can also occur in different forms such as ax²+bx=0, ax²+c=0 and ax²=0. |
| # open the Geogebra file | | # open the Geogebra file |
− | ## start with values of a=o, b=0, c=0 | + | ## Start with values of b=0, c=0 |
− | ## change value of a to 1 (keeping b=0, c=0 and see what happens) | + | ## In quadratic equations why is a≠0? What happens to the quadratic equation, if a=0? |
− | ## change value of c to 1, 2, 3 etc (keeping a=1, b=0 and see what happens) | + | ## Change value of a to 1 (keeping b=0, c=0 and see what happens) |
− | ## change value of b to 1, 2, 3 etc (keeping a=1, c=0 and see what happens) | + | ## Change value of c to 1, 2, 3 etc (keeping a=1, b=0 and see what happens) |
| + | ## Change value of b to 1, 2, 3 etc (keeping a=1, c=0 and see what happens) |
| # In each of the above cases, discuss with students the meaning of the curve plotted and how the curve changes on change in values. | | # In each of the above cases, discuss with students the meaning of the curve plotted and how the curve changes on change in values. |
| + | # Identify and note down the roots of the given set of values for a, b, c in quadratic equations. |
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| === Evaluation at the end of the activity === | | === Evaluation at the end of the activity === |
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| Go back to the page - [[KVS Algebra|click here]] | | Go back to the page - [[KVS Algebra|click here]] |