What is the equation in point-slope form of the line that passes through the points (7, 5)(7, 5) and (−4, −1)(−4, −1) ? y+4=116(
x+1)y+4=116(x+1) y−1=611(x−4)y−1=611(x−4) y+1=611(x+4)y+1=611(x+4) y+1=67(x+4)
2 answers:
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Solution:
Given:
The value of a car after t - years will depreciate.
Hence, the equation given represents the value after depreciation over t-years.
To get the rate, we compare the equation with the depreciation formula.
Hence,
Therefore, the value of this car is decreasing at a rate of 6%. The purchase price of the car was $16,300.