y-intercepts in Real-World Problems Practice

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Question
Use the table to answer the question.

Determining the initial deposit prior to annual increments.
Years Amount
1 $1,080
2 $1,160
3 $1,240
The table shows the amount of money in a bank account after a certain number of years. What is the initial value?

(1 point)

1 answer

To determine the initial deposit prior to annual increments using the provided information, we can analyze the table.

The table indicates the amount of money in the bank account after a certain number of years:

  • After 1 year: $1,080
  • After 2 years: $1,160
  • After 3 years: $1,240

From this data, we can observe the increments from one year to the next:

  • The increase from year 1 to year 2 is: $1,160 - $1,080 = $80
  • The increase from year 2 to year 3 is: $1,240 - $1,160 = $80

This suggests that there is a consistent annual increment of $80.

To find the initial deposit (which we can consider as the amount in the bank account at year 0), we can work backwards:

  • Amount after Year 1: $1,080
  • Initial Deposit (Year 0) = Amount after Year 1 - Increment
  • Initial Deposit (Year 0) = $1,080 - $80 = $1,000

Thus, the initial deposit prior to the annual increments is $1,000.