exam
Maths Puzzle
Numerical Ability
Add.
(4x^2-5xy+y^2) + (-9x^2-8xy-y^2) + (x^2+xy-3y^2)
Thank you.
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exam Other Question
Find the coordinates of the vertices of the figures formed by:
y≤x+2, x+y≤6, and y≥-2. I am having quite a bit of difficulty wity this one.
y=x^2-4