Solutions To Mathematics Textbooks/Basic Mathematics/Chapter 12

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Contents

Chapter 12Edit

Section 1Edit

3Edit

a)Edit

Note: The answer printed in the book is given as  . This is incorrect!

If the two lines   and   intersect, then  . Therefore:


 

 

 

 


Thus, we can now plug in the value for x into any one of our two equations to find the point of interception:


 


Thus, the point of interception is  .