8.) The line passing through (0, 4) and (-1, 3) is
parallel to the line passing through (2, 3) and
(a,0). Find a.
9. The line passing through (0,7) and (-2, 1) is
perpendicular to the line passing through (a, 4)
and (-2,5). Find a.
10. Find the value of 'p' if the slope of the line passing
through the points (-2,5) and (p, 2p + 1) is 1.
Answers
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Answer:
8. a= -1
Step-by-step explanation:
8.
slope of first line =(y2-y1)/(x2-x1)= (3-4)/(-1-0)=1
parrallel lines have same slope
slope of line 1= slope of line 2
1 = (0-3)/(a-2)
solving above equation we get a = -1
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