Marty needs $126 to buy the gaming system he wants. he knows he can shovel snow for 9 of his neighbors. how much should he charge per driveway to make the amount that he needs for the gaming system?

show your expression and how you solved the problem.

$126 / 9 = $14
He should charge $14 per driveway

First locate the turning point (vertex) of the graph. which is at the coordinates x=5 and y=9 or (5; 9).to determine whether it's a maximum or mininum value, you have to discern whether the vertex's y-value is the highest value or lowest value the graph can reach. since the vertex's y-value, 9 is the highest value the graph can reach, it will be a maximum.another basic way to determine whether the vertex's value is max or min is to see if the graph is smiling or sad. if it's smiling, the turning point/vertex would be a minimum, while a sad parabola would have a maximum y-value at the vertex.