exam
Maths Puzzle
Numerical Ability
Show that the points D(-1,-2),E(2,1) and F(-3,6) are the vertices of a right triangle.
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exam Other Question
(3+4 radical sign 6)(-5-2 radical sign 6) Please help me simplify.
I came up with -63-26 radical sign 6
Can someone tell me if this is correct or where I went wrong?
Graph the following solution.
2x+3y=6