Alma was given some money as a gift and deposited it into a savings account. She makes a withdrawal of the same amount at the en
d of each month. At the end of the 5th month, her balance was $442. At the end of the 13th month, her balance was $226.
2 answers:
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Answer:
Step-by-step explanation:
either pick the generic line in slope-intercept form
and plug y and x from the points in there, you get two conditions on m and q and find the values or...
Between the two points you get that when x increases (from 2 to 5) by 3 units, y decreases (from -1 to -3) by 2 units. You can rule out the first two options since the slope cannot be an integer. from the other 2, try x=5 into both to see which one gives -3 for y.