A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?

A,-1,850/7
B,-250/7
C,250/7
D,1,850/7

Question

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the student’s checking account over the period September 1, 2008 through March 31, 2009?

A,-1,850/7
B,-250/7
C,250/7
D,1,850/7

ipwnbunnies · Answer

We gotta use the slope formula. It's as if we have a function, but we have to come up with the number ourselves. Can you figure out what the independent variable would be, or the "x value"?

anonymous · Answer

im taking a test idk whaa I need

ipwnbunnies · Answer

Oh, a test, we can't help. :l   
It deals with slope formula though. The average rate of change is the slope of the line between two points.

anonymous · Answer

why cant u help on a pre test?

ipwnbunnies · Answer

You said you're taking a test the first time.

anonymous · Answer

sorry it a pre test