Solutions To Mathematics Textbooks/Basic Mathematics/Chapter 8

< Solutions To Mathematics Textbooks‎ | Basic Mathematics

Contents

Chapter 8Edit

Section 3Edit

Complete the square of the equations in this part to render them in a form of the equation of a circle.

13Edit

 

 

 

We add one to both sides so we can write the right hand side as a single power.

 

 

15Edit

 

 

 

 

 

 

 

Section 4Edit

2Edit

Multiply both sides of the inequality by both numerator and denominator of both sides to get:


 


Then, expand and simplify: