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Maths Puzzle
Numerical Ability
give the coordinates of the focus and the equation of the directrix for the parabola with equation x=-4y^2
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book Other Question
how do u solve a polynomial equation for x?
Ex:8/x^2-4 + 2/x = x/x-4
the slashes are division... so it would be 8 over x squared -4 and the u add 2 over x
-3[9(x-4)+5x]-8{3[5(3y+4)]-12}