Mathematics

Problem

Complete the missing entries in the table for

y=\dfrac{1}{x}

$x$	$-0.8$	$?$	$\dfrac{5}{2}$
$y$	$?$	$1.6$	$\dfrac{2}{5}$

Which option correctly lists the pair

(y\text{ for }x=-0.8,\;x\text{ for }y=1.6)

? a)

(-1.25,\,1.6)

(1.25,\,0.625)

(-1.25,\,0.625)

(-0.8,\,1.25)