Question 952825
{{{x}}}| {{{y}}}
{{{1}}}| {{{4}}}
{{{15}}}| {{{60}}}
{{{225}}}|{{{900}}}



{{{x/y=1/4=15/y=225/900}}}

{{{1/4=15/y}}}

{{{y=15*4}}}

{{{y=60}}}

relationship between {{{x}}} and {{{y}}} is linear, the ratio (slope) is constant:

*[invoke slope 1, 4, 15, 60] 

 and linear equation is:

{{{y=4x}}}


{{{drawing(600, 600, -50, 350, -50, 950,
circle(1,4,1.9),circle(15,60,1.9),circle(225,900,1.9),
locate(1.3,14.5,p(1,4)),locate(15,60,p(15,60)),locate(225,900,p(225,900)),
 graph(600, 600, -50, 350, -50,950,4x)) }}}