The equation y= -0.04x+12 gives the number of gallons of gas in your car, where x is the number of miles driven.
a. graph the equation.
b. interpret the slope and y-intercept of the line.

The graph is attached.

The negative slope means that the relation between variables is not directly proportional, that is, the more number of miles driven, less number of gallons of gas we have in our cars, this is an inverse proportion, while one increases, the other one decreases.

On the other hand, the y-intercept indicates the number of gallons of gas in the car when the car is not moving yet, that is, when the number of miles are zero. So, in this case, before the car moves, there are 12 gallons of gas in the car.

yes. we do proportions in probabilities.

b.my answer is b.

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