AFDA – Unit 2: Linear Functions Part 2
Day 5 HW: Solving Linear Systems by Elimination
Name: _________________
Block: _____ Date:_______
Directions: Solve each linear system by using the Elimination method.
1.)
7x  2 y  2
x  2 y  14
2.)
5 x  2 y  12
3x  4 y  2
3.)
5 x  8 y  25
 x  4 y  7
4.)
3x  5 y  8
4 x  7 y  12
5.)
4x  3y  1
3 x  5 y  13
6.)
2 y  5 x  1
x  2y  5
7.) This morning, Mika processed two catering orders at the sandwich shop where she
works. The first order was for 5 trays of club sandwiches and 9 trays of vegetarian
sandwiches, at a cost of $66. The second order, which cost $48, was for 2 trays of
club sandwiches and 9 trays of vegetarian sandwiches. How much does each tray
cost?