Sunday, April 10, 2011

Geometry Spring Week 8

Chapter 15

4) 24 un. squared
5) (x-1)^2 + (y+2)^2 = 9
6)a. (-1,1)
b. 5
c. Yes, OK = 5
12)a. Collinear
b. Noncollinear
c. Collinear
16)a. y = 7
b. y = 3-x
c. x = 6
d. y = 1-4x
17)a. y = 2
b. x = -5
24) x^2 + (y-9)^2 = 25