Writing Equations In Slope Intercept Form Worksheet With Answers Page 23
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504-2 Writing Equations in Slope-Intercept Form
Therefore, she paid for 47 classes.
A magazine offers an online subscription that allows you to view up to 25 archived articles free.
To view 30 archived articles, you pay $49.15. To view 33 archived articles, you pay $57.40.
What is the cost of each archived article for which you pay a fee?
What is the cost of the magazine subscription?
a. The cost of each archived article can be found by finding the slope using the two points (30, 49.15) and (33,
57.40).
So, the cost of each archived article is $2.75.
b. The cost of the magazine subscription is the y-intercept. Use the slope-intercept form and one of the points to find
the y-intercept for x = 5 (five additional articles).
So, the cost of the magazine subscription is $35.40.
Write an equation of the line that passes through the given points.
(5, 2), (7, 1)
Find the slope of the line containing the given points.
Use the slope and either of the two points to find the y-intercept.
Page 23
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