y = 1000 – 125x
does not fit
does not fit
does not fit

Apache bought a tablet computer that cost $1,000. Each month, he pays $125. After x months, he will still owe y dollars.

Coach Jones has a goal of walking 1000 steps each morning. She walks 125 steps from her office to the basketball court. After x trips from her office to the basketball court, she will have y steps remaining to meet her goal.

Mr. Simmons’s car has 1,000 miles on the odometer. Each week, he drives an additional 125 miles. After x weeks, his car will have y miles on the odometer.

Incorrect. The initial cost is $1,000, and the amount owed decreases by $125 each month.

Incorrect. The initial number of steps is 1000, and each trip from the office to the basketball court decreases this amount by 125.

Correct! The rate in this situation is increasing, but the coefficient of x in the equation is negative.