Easy Algebra Step-by-Step

172 Easy Algebra Step-by-Step

10

y

x

9 8 7 6 5 4 3 2 1

–10–9–8–7–6–5–4–3–2–1 1 2 3 4 5 6 7 8 9 10

Origin

–1

–2

–3

–4

–5

–6

–7

–8

–9

–10

0

Figure 16.1 Cartesian coordinate plane

Figure 16.2 Point P in a Cartesian coordinate plane

x

y

P(x, y)

0