3. Functions

Determine whether the three points are the vertices of a right triangle. See Example 3. (-4,1),(1,4),(-6,-1)

Determine whether the three points are the vertices of a right triangle. See Example 3. (-2,-5),(1,7),(3,15)

Determine whether the three points are collinear. See Example 4. (0,-7),(-3,5),(2,-15)

Determine whether the three points are collinear. See Example 4. (0,9),(-3,-7),(2,-19)

Determine whether the three points are collinear. See Example 4. (-7,4),(6,-2),(-1,1)

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b). midpoint (5, 8), endpoint (13, 10)

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b). midpoint (12, 6), endpoint (19, 16)

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b). midpoint (6a, 6b), endpoint (3a, 5b)

Fill in the blank(s) to correctly complete each sentence. The domain of the relation { (3,5), (4, 9), (10, 13) } is _____.

Fill in the blank(s) to correctly complete each sentence. The equation y = 4x - 6 defines a function with independent variable______ and dependent variable ________ .

Fill in the blank(s) to correctly complete each sentence. For the function ƒ(x) = -4x + 2, ƒ(-2)= ______.

Determine whether each relation defines a function. See Example 1. {(5,1),(3,2),(4,9),(7,8)}

Determine whether each relation defines a function. See Example 1. {(8,0),(5,7),(9,3),(3,8)}

Determine whether each relation defines a function. See Example 1. {(9,-2),(-3,5),(9,1)}

Determine whether each relation defines a function. See Example 1. {(2,4),(0,2),(2,6)}