A line k passes through the points (-7.-9) and (1,15). A second line h passes through the points (-4,-21) and (4,3). Is line k parallel to line h? Why or why not?Is line k parallel to line h? Why orwhy not?

ANSWER
EXPLANATION
Two lines are parallel only if they have the same slope. We have to find the slope of both lines.
The slope of a line passing through points (x₁ y1) and (x2, y2)