SOLUTION: Lucy borrowed $80 from her friend in order to help buy a new video game system. Lucy agreed to pay back her friend $8 per week write an equation representing the amount Lucy OW

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Question 1187263: Lucy borrowed $80 from her friend in order to help buy a new video game system. Lucy agreed to pay back her friend $8 per week
write an equation representing the amount Lucy OWES her friend
I know the slope is -8 because she is paying back 8 dollars a week
y=-8x is that right? or would it be 80=-8x?
define the variables
**y axis I labeled amount owed
**x axis I labeled weeks
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52786) (Show Source):
You can put this solution on YOUR website!

Answer by MathTherapy(10552) (Show Source):
You can put this solution on YOUR website!

Lucy borrowed $80 from her friend in order to help buy a new video game system. Lucy agreed to pay back her friend $8 per week
write an equation representing the amount Lucy OWES her friend
I know the slope is -8 because she is paying back 8 dollars a week
y=-8x is that right? or would it be 80=-8x?

Your axes are labeled correctly. Your slope is also correct since every week, the $80 sum is DECREASED by $8.
As the amount owed is $80, the y-intercept is 80, and the line of the equation will slope downwards, since it's NEGATIVE.
The equation will then be .