Jalon used the slope intercept to write the equation of a line with a slope 3 that passes through the point (5,-2). He is woke is shown below. Analyze the steps. In which step did the john make an error

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What is the difference between the equations of a vertical and a horizontal line?

How do you determine if an ordered pair is a solution to a given equation?