A Little Math Trick - Cross Multiplication

in math •  8 years ago 

Using Cross Multiplication to Solve Algebraic Equations

I find a need to refresh the students' mind on how solve algebraic equations using a little math trick known as cross-multiplication before starting to solve trigonometry problems on unknown sides or angles of a right angled triangle.

One can use this trick to solve daily life problems such as cost of pens problem solved above.


math algebra algebraic-equations ratios solving-ratios
8 years ago by

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      ·  8 years ago 

    Fun Math! The kind I like most :) Resteemed

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      ·  8 years ago 

    Thank you very much for the encouragement and support dear @photo-trail :))

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        ·  8 years ago 

      I love algebra! It only seems so long ago we learned this.... thanks for the refresher tips :)

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          ·  8 years ago 

        Thanks for stopping by @sgnsteems.

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            ·  8 years ago 

          Great trick! Forwarded it to my daughter! Upvote.

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              ·  8 years ago 

            Thanks a lot @pipurilla :))

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              1 vote