ANSWER:
Study Guide and Review - Chapter 4
y = x − 3
25. (3, 5), (5, 6)
SOLUTION:
Find the slope of the line containing the given points.
Use the slope and either of the two points to find the y-intercept.
Write the equation in slope-intercept form.
ANSWER:
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.
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