Question

The graph shows the yearly balance, in dollars, in an investment account.

5,000
4,000
3,000
amount in dollars
.
2.000
1,000
0
2
4
12
14
6 8 10
number of years
a. What is the initial balance in the account?

Answer 1

Take 2 points

• (0,5000)
• (2,4000)

Slope:-

`\\ \rm\Rrightarrow m=(4000-5000)/(2)=-500`

Equation in point slope form

`\\ \rm\Rrightarrow y-5000=-500(x)`

`\\ \rm\Rrightarrow y=-500x+5000`

• Initial amount=y intercept=5000