1. Warm-up- Jan. 30th a.Graph the solution set of the system: b. List the points that form the corners of the graphed region in part (a). c. Evaluate 3x + 2y at each of the points obtained in part (b).

2. Warm-up: Jan. 31 st. Solve the system. 2. Find the length and width of a rectangle whose perimeter is 36 feet and whose area is 77 square feet.

3. Warm-up: Wed./Thurs. 1.Write a system of linear equations and solve for x and y. Define the variables, x and y. One pan pizza and two beef burritos provide 1980 calories. Two pan pizzas and beef burrito provide 2670 calories. 2. Graph the system of inequalities. 3. Define matrix and give an example.