ICSE Class 10 - Slope of a Line Videos

• ex. 12 b question 15
  
• exercise 12 b 9 (equation of a straight line
  
• ch. equation of a straight line q13 2nd part
  
• ex. 12a q7
  
• ex. 12 A q3
  
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• If y+(2p+1)x+3=0 and 8y-(2p-1)x=5 are mutually perpendicular.  Find the values of p.
• Show that the points(a,b),(a-+3,b+4),(a-1,b+7) and (a-4,b+3) are the vertices of a parallelogram.
• Without using distance formula show that the points (0,0);(5,5);(-5,5) are vertices of a right angled triangle

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