As an introductuion, we'll start reviewing what you already know about Thales' Theorem:
Do you remember similar triangles?
In the next link there are useful information to work with. Go ahead!
17 / 4 / 12 GRAPHING INEQUALITIES IN TWO VARIABLES
THE BEST WAY TO UNDERSTAND INEQUALITIES IN TWO VARIABLES IS USING GRAPHS.
11 / 4 / 12 QUESTION OF THE WEEK
WHAT'S THE SOLUTION FOR THESE INEQUALITIES?
a) x2+2x+1<0
b) x2+2x+1>0
10 / 4 / 12 QUADRATIC INEQUALITIES, RATIONAL AND ABSOLUTE VALUE INEQUALITIES
Some linear inequalities can be solved easily if we know some tips:
To learn how to deal with fractions:
regentsprep.RationalInequalities
To learn how to deal with absolute value inequalities:
regentsprep.absinequal
To learn how to deal with absolute value inequalities:
regentsprep.absinequal
10 / 4 / 12 INEQUALITIES
Here you´ll find some help for solving inequalities and graphing their solutions:
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