9 Zoe prepares some lemonade for the party.
She needs to use
3 of a kilogram of sugar.
4
Zoe knows that 1 kg is 2.2 pounds.
(a) What is ? of a kilogram in pounds? ?
Show a check of your working.
4​

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.