exam
Maths Puzzle
Numerical Ability
My problem is if the vertex of f(x)=x^2+bx+c is at (2,4), find b and c.
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exam Other Question
how can u teach me about triangles angles
Simplify: (3x^3 -9x -3) / (3x+3)
the possible answers are:
x^2 - x - 2 remainder 3
x^2 - 4x remainder -15
x^2 - 4x remainder 9
x^2 - x 0 2 remainder -9