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Chapter 13: Q. 7 (page 532)
Find the slope of the line through the points named. If the slope is not defined, write not defined.
(7, 2); (2, 7)
The slope of the line is .
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2. Which of the following points lie on a horizontal line through C?
(2, 4) (2, -4) (0, 4)
(4, 3) (15, 4) (-4, 3)
In Exercises 4-9 state:
a. the coordinates of T.
b. the lengths of the legs of the right triangle.
c. the length of the segment shown.
Find the slope of the line through the points named. If the slope is not defined, write not defined.
(1, 2); (-2, 5)
A ine through H(3, 1) and J(5, a) has positive slope and makes a 60° angle measured counterclockwise with the positive x-axis. Find the value of a.
In Exercises 35-38 find an equation of the circle described and sketch the graph.
The circle has center (-2, -4) and passes through point (3, 8).
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