Suppose the equation y = 12 + 10x models the amount of money in your wallet

Suppose the equation y = 12 + 10x models the amount of money in your wallet, where y is the total in dollars and x is the number of weeks from today. If you graphed this equation, what would the slope represent in the situation? Explain.

• Is the equation in slope-intercept form?
• What units make sense for the slope?