WORKING WITH VECTORS, SOME NEW TERMS ARE NEEDED:
2 / 5 / 12 MEAN PROPORTIONAL IN A RIGHT TRIANGLE
TO LEARN HOW TO USE THE MEAN PROPORTIONAL IN A RIGHT TRIANGLE:
TO PRACTISE USING IT:
24 / 4 / 12 DO YOU LIKE GEOMETRY?
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
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