Linear Equation Worksheet Page 4

2. Suppose you receive $100 for a graduation present and you deposit it into a

savings account. Then each week thereafter, you add $5 to the account but no

interest is earned. The amount in the account is a function on the number of

weeks that have passed.

a. Identify the variables in this situation. What does x represent? What

does y represent?

b. What is the given information in the problem? (find all that apply)

i. y-intercept:

ii. Slope:

iii. One point:

iv. Second point:

c. Write an equation for the balance of your account after x weeks.

d. Use your equation to find when you will have $310 in the account.

e. What is the domain?

A. Eisenman

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