exam
Maths Puzzle
Numerical Ability
Graph f(x) = -2x + 4.
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(4x^2-5xy+y^2) + (-9x^2-8xy-y^2) + (x^2+xy-3y^2)
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If B and C are the real roots of x^2+Bx+C=0 where B does NOT equal 0 and where C does not equal 0, find the product of B and C.