Algebra Know-It-ALL

Three Relations 231

–6 –4 –2 246

2

4

6

–2

–4

–6

x

y

(0,0)

(1,1)

(2,4)

Figure 14-10 Cartesian graph of the relation y= (+x)^2.

–6 –2–4 246

2

6

–2

–4

–6

x

y

(0,0)

(–1,1) (1,1)

(–2,4) (2,4)

Figure 14-9 Cartesian graph of the relation y=x^2.