A real world promblem that uses ratios and raes that can be graphed on a corrdinate plane is a promblem that could possibly happen or has happened such has bank rupsie it doesnt all of a sudden happen it slowly decreases until you have no money left to pay your bills or have a home and that can be graphed if you are given the equation or numbers on how it happened
Factor
b(b+12)=0
set to zero
b=0
b+12=0
b=-12
b=0 or -12
written as this way
b=-12,0
