Mrs. Thompson has calculated that she spends an average of $43.44 per day on expenses.

She has determined that the equation y = -$43.44x + $880 represents her average spending habits for one week, where x is number of days that have passed for that week.

What does the y-intercept mean in this equation?

the amount of money she saves every week
the amount she spends per week
the number of days it takes for Mrs. Thompson to spend all her money
the amount of money she has at the beginning of the week

Question

Mrs. Thompson has calculated that she spends an average of $43.44 per day on expenses.

She has determined that the equation y = -$43.44x + $880 represents her average spending habits for one week, where x is number of days that have passed for that week.

What does the y-intercept mean in this equation?

    the amount of money she saves every week
    the amount she spends per week
    the number of days it takes for Mrs. Thompson to spend all her money
    the amount of money she has at the beginning of the week