Question

Find the distance of point J (_2.4, 1) from the origin

Answer 1

Any distance from the origin,

$j(x \: \: y) = \sqrt {x}^{2} + {y}^{2}$

so j(2.4,1) = √2.4×2.4 + 1×1

= √5.67+1

= √6.67

= 2.58