exam Maths Puzzle Numerical Ability

I am trying to solve and graph 3(X+1)^2+3(y-1)^2=6
I came up with 1,-1) radius 1.4142 but I think it might be backwards.

Read Solution (Total 0)

exam Other Question

is it posible to do (example) the square root of 2 times the square root of 2 equals the square root of 4 which is 2 Algebraically determine the zero(s) of the functions:
a) f(x)=(sqrt2(5)^-(x+1))-(sqrt50)
b) f(x)=sqrt3(2)(^2(x-3))-sqrt48