A straight-line graph has horizontal axis lg x and vertical axis lg y. It passes through (-1,2) and

Question

A straight-line graph has horizontal axis lg x and vertical axis lg y. It passes through (-1,2) and (1,-2). Find the relationship and the original (x,y) represented by the first plotted point.

Accepted Answer

$y=x^{-2}$, $x>0$; first original point $(1/10,100)$.

Reading transformed coordinates

Reading transformed coordinates

Solution:

Solution locked