The cable company charges a monthly fee of $45. Each movie rental is $1.99. You owe 68.88. How many movies did you rent?
2 answers:
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The slope-intercept form:
m - slope
b - y-intercept
The formula of a slope:
We have two points (2, 0) and (-2, -4). Substitute:
Therefore we have the equation of a line
Put the coordinates of the point (2, 0) to the equation:
<em>subtract 2 from both sides</em>
Answer: