Writing Linear Equations Worksheet Page 6
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24Write an Equation given Two Points
4.
Write an equation of the line that passes through (-3, 4) and (1, 2).
5.
Write an equation of the line that passes through (-8, -13) and (4, 2).
Solve a multi-step Problem
6.
From 1990 to 2001, the number of airports in the United States increased at a
relatively constant rate of 175 airports per year. There were 19,306 airports in the
United States in 2001.
a. How many U.S. airports were there in 1990?
b. Write an equation that gives the number of U.S. airports as a function of the number
of years since 1990.
c. Find the year in which the number of U.S. airports reached 19,500.
7.
Your gym membership costs $33 per month after an initial membership fee. You paid
a total of $228 after 6 months. Write an equation that gives the cost as a function
of the length of your gym membership (in months). Find the total cost after 9
months.
6
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