exam
Maths Puzzle
Numerical Ability
If (3,-6) are coordinates of a point on the graph of y=f(x), give the coordinates of a point on the graph of y=f(x)-4.
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exam Other Question
Solve by the elimination method
2x+3y=2
4x+6y=4
solve:
x^2-y^2=4
x+y=1