Algebra Know-It-ALL

630 Worked-Out Solutions to Exercises: Chapters 11 to 19

–6 –4 –2 246

2

4

6

–2

–4

–6

x

y

(–5,5)

(–3,3)

(0,0)

(2,2)

(5,5)

Figure B-1 Illustration for the solution to Prob. 6 in

Chap. 14.

–6 –2–4 246

2

4

6

–2

–4

–6

x

y

(–2,1) (0,1)

(2,3)

(–6,5)

(5,6)

(–1,0)

Figure B-2 Illustration for the solution to Prob. 7 in Chap. 14.