exam Maths Puzzle Numerical Ability

if point a(-1,0) is rotated 60degree, the coordinates of point a would be

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exam Other Question

Hi there! I am having terrible trouble trying to simplify this expression. Instructions say to simplify and express the answer using positive exponents.
[2x^(3/4)*y^(-1/2)]^(-8) How can you prove that a point (x,y) is not located on a line of a given equation.