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Chapter 13: Q. 9 (page 532)
Find the slope of the line through the points named. If the slope is not defined, write not defined.
(6, -6); (-6, -6)
The slope of the line is undefined.
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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 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.
In Exercises 20 and 21 show that points P, Q, and R are collinear by showing that PQ and OR have the same slope.
P(-8, 6) Q(-5, 5) R(4, 2)
Use the distance formula to find the distance between the two points.
(-8, 6) and (0, 0)
Find the distance between the two points. If necessary, you may draw graphs but you shouldn’t need to use the distance formula.
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