Solutions To Mathematics Textbooks/Basic Mathematics/Chapter 8

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Chapter 8[edit]

Section 3[edit]

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

13[edit]

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

15[edit]

Section 4[edit]

2[edit]

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



Then, expand and simplify: