y space v a r i e s space d i r e c t l y space a s space x space a n d space i n v e r s e l y space a s space t h e space s q u a r e space r o o t space o f space w semicolon space w r i t e space t h e space s e n t e n c e space a s space a n space e q u a t i o n colon y equals fraction numerator k x over denominator w squared end fraction y equals fraction numerator k x over denominator square root of w end fraction y equals x over w squared y equals fraction numerator x over denominator square root of w end fraction