Alex had $234 in his bank account. For an entire month, Alex adds $2.10/day to the account. He graphs the money he saves versus time. He plots money saved along the vertical axis, and he plots time in days along the horizontal axis

What is the y-intercept of the line?

Question

Alex had $234 in his bank account. For an entire month, Alex adds $2.10/day to the account.  He graphs the money he saves versus time. He plots money saved along the vertical axis, and he plots time in days along the horizontal axis 

What is the y-intercept of the line?

anonymous · Answer

@iGreen

igreen · Answer

$234 in bank account.

$2.10 a day added to it

Money Saved on y-axis

Days on x-axis

anonymous · Answer

So it would be..  2.10?  @iGreen

igreen · Answer

No..I don't think so I'm still figuring it out.

anonymous · Answer

Oh , Okay.

igreen · Answer

I think your expression is 2.10x + 234.

Where x = number of days.

igreen · Answer

That means you start off with 234, so I think that's going to be your answer.

anonymous · Answer

oh ok I got it. Thanks! :)

igreen · Answer

No problem.