HW #13: (9/23-9/24)

ALG II:
P. 163 #1-33 (4)
worksheet side I- Left column #1-34 (4); Right column#1-4
worksheet side II- Left column #1-34 (4)
13x+6y=-147
11x-4y=-79  **use elimination- solution (-9,-5)
15x-7y=81
8x+11y=-1 **use substitution- solution (4,-3)
(25 points)

 ALG IIA:
P. 267 #20-24
P. 279 #16-20
worksheet side I- Left column #1-6
worksheet side II- Right column #1-6
(20 points)