9.2 Solving Linear Systems by Substitution Warm-up: State whether the given ordered pair is a solution to the system. 1. 2. 3.
3x + y = 5 2x - y = 10
2x + 6y = 15 x = 2y
x + 2y = 4 -x + y = -7
3x - y = 5 2x + y = 0
-2a + b = 7 2m + 5n = 14 3a + b = -8 2m - 3n = 6
A quilt maker sews both large and small quilts. A large quilt requires 8 yards of fabric and a small quilt requires 3 yards. How many of each size can she make if she uses a total of 90 yards of fabric to make 15 quilts?
Tickets for the school play are $5 in advance and $8 at the door. 55 tickets were sold with sales totaling $320. How many tickets were sold in advance and how many were sold at the door?
Homework Pg. 419 Written Exercises #1 - 17 odd Challenge Problems: #2 - 12 even