Nolan's Bank Account 40-1
35
Q
30
Error Analysis Nolan began with $35 in his bank
account and spent $5 each day. The line models
the amount of money in his bank account. He
incorrectly wrote an equation for the line in
slope-intercept form as y= -5x + 7. What is the
correct equation for the line in slope-intercept
form? What mistake might Nolan have made?
What is the correct equation for the line in
slope-intercept form?
Number of Dollars
25
20
15
10-
5-
0
12
14
10
Number of Days