In Cartesian coordinates, the distance OP from point P (- 2,3) to the origin=______ .
∵ in Cartesian coordinates, point P (- 2,3), ∵ OP = (− 2) 2 + (3) 2 = 5
In Cartesian coordinates, the distance from the point P (- √ 2, √ 6) to the origin is
The distance from solution P (- √ 2, √ 6) to the origin is
/OP/=√(-√2)²+(√6)²=√8=2√2.
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