In the figure above, line k (not shown) is perpendicular to line j. If the equation of line k I s`y=px`, what is the value of constant p?

In the xy-plane above, line p is perpendicular to line q. What is the value of k?

In the xy-plane above, line l is parallel to line k. What is the value of p ?

If the line y+2x+3=0 is parallel to the line 2y-px-4=0 , what is the value of p ?

If the equation of line A shown on the graph is given by y=mx+b , and the equation of line B is given by y=k(mx+b) , what is the value of k?

If lines are perpendicular, then find the value of k.

Line p contains the points (-1, 8) and (9, k) . If line p is parallel to line q whose equation of 3x+4y=7 . What is the value of k?

If the line x-3y+5+ k(x+y-3)=0 , is perpendicular to the line x+y=1 , and k .

If the line x-3y+5+ k(x+y-3)=0 , is perpendicular to the line x+y=1 , and k .

If the line through the points A(k,1,-1) and B (2k,0,2) is perpendicular to the line through the points B and C(2+2k,k,1) , then what is the value of k?