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System of Equations

System of Equations Lesson 1

QuestionAnswer
Are the lines intersecting, same, or parallel lines? y= 1/2x + 4; y= -1/2x +4 Intersecting
Are the lines intersecting, same, or parallel lines? 4x - y = 8; x + 4y = 6 Intersecting
Solve the system of equations y = 1/2x + 4; y = -1/2x + 4 by graphing. Write the solution as an ordered pair. (0, 4)
Solve the system of equations 4x - y= 8; x + 4y = 6 by graphing. Write the solution as an ordered pair. (2.24, 0.94)
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each kind did she buy? She bought 2 fancy and 5 plain shirts.
A class of 195 students went on a field trip. They took 7 vehicles, some cars and some buses. Find the number of cars and the number of buses they took if each car holds 5 students and each bus hold 45 students. They took 3 cars and 4 buses.
Are the lines intersecting, same or parallel lines? 2y = 6x + 4; y = 3x + 2 Same
Are the lines intersecting, same or parallel lines? -y = 2x - 3; y = -2x + 3 Same
Are the lines intersecting, same or parallel lines? y - 6 = 2x; 6x - 3y = 12 Parallel
Are the lines intersecting, same or parallel lines? -y = 1/4x +8; 12y = -3x Parallel
Created by: jriddick