SOLUTION: The “zero product property” says that if a product of two numbers is zero, then at least one of those numbers must be zero. Explain how the zero product property is useful in fin

Algebra ->  Average -> SOLUTION: The “zero product property” says that if a product of two numbers is zero, then at least one of those numbers must be zero. Explain how the zero product property is useful in fin      Log On


   

Question 890230: The “zero product property” says that if a product of two numbers is zero,
then at least one of those numbers must be zero. Explain how the zero
product property is useful in finding the x-intercepts of a graph.
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
An explanation? ?

Imagine you have y=ax%5E2%2Bbx%2Bc and you believe or you know that this meets or crosses the x axis. Assume this equation is factorable as y=a%28x%2Bu%29%28x%2Bv%29. The graph intersects the x axis if for some value of x, y=0. This makes for the equation a%28x%2Bu%29%28x%2Bv%29=0.

Can you figure how to say the rest of this if more is needed?