Conplete the fullosing for the sifien $of$ eiditicois,

$2x-4y=15$

$0\mathrm{.}5z-1\mathrm{.}2y=1\mathrm{.}5$

$(s)$ Lise a graphing intility $to$ giaph the eniotication the avategi$-$

$(b)$ Use the drapha $to$ detainilie whether the zyzhern $i-=$ consisted $or$ inconlinterit.

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Qupconsagan $(xy)*()$

$|(v)=([],[x])$