12
EXTENDED RESPONSE The table below
shows the admission rates at the local
aquarium.
Ticket
Adult
Child
Price ($)
15
9
Part A Mr. Reilly spent $90 on tickets to the
aquarium. Write an equation in standard form
represent the situation.
Part B What are the x- and y-intercepts of the
function? What do they represent?
Part C Write the equation from Part A in slope-
intercept form.
Part D Graph the equation on a coordinate plane.
Part E What is the slope of the line? What does the
slope represent?