Andrew's bank statement shows that he has a balance of $8 in his checking account. Which number line has a point at the magnitude of Andrew's debt?
Since Andrew's balance is $8 in the positive direction, his debt would be in the negative direction. Therefore, the number line with a point at the magnitude of Andrew's debt would be the one where the number line decreases in value from left to right.
The number line with a point at the magnitude of Andrew's debt would look like this:
$8 ————|—————————————> $0