Chapter 4 Study Guide And Review Math Worksheet With Answer Key - Cognero Page 9
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17ANSWER:
Study Guide and Review - Chapter 4
27. CAMP In 2005, a camp had 450 campers. Five years later, the number of campers rose to 750. Write a linear
equation that represents the number of campers that attend camp.
SOLUTION:
Let x be the number of years since 2005. Two points on the line are (0, 450) and (5, 750). Find the slope of the line.
Use the slope and either of the two points to find the y-intercept.
Write the equation in slope-intercept form.
The number of campers that attend camp can be represented by the linear equation y = 60x + 450.
ANSWER:
y = 60x + 450
Write an equation in point-slope form for the line that passes through the given point with the slope
provided.
29. (−2, 1), slope −3
SOLUTION:
ANSWER:
y − 1 = −3(x + 2)
Write each equation in standard form.
31. y − 3 = 5(x − 2)
SOLUTION:
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