A line that runs parallel to the -axis is called a horizontal line and has a gradient of .

Which of the following is a straight line graph that is parallel to the graph 

Points ( K(-6;2), L(-3;1) \) and  are points on the same line.

Which of the following is a straight-line graph that is perpendicular to the graph ?

Triangle  is a right-angled triangle

Find the gradient of  if   and

Find the gradient of  if  and 

You are given the following diagram:

Line  is parallel to the line: . Point  is at . Find the equation of the line .

The gradient 

of a straight-line graph

with two points 

The distance between points A (2; 7) and B (-3; 5) in surd form is 

Note: Write ONLY the number without the square root.