Which choice shows the product of 22 and 49 ?

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

How do you determine if an ordered pair is a solution to a given equation?