Practice Exercises Review what you've learned using these practice problems. For practice problems with feedback, try the Coach and Play items in the Practice section online. 1. Find the exact solution for the following system of 5. hockey team will play no more than 10 games during their regular season. For each game, they are awarded 2 points for a win, and 1 point for a tie. To make the playoffs, a team will need to score at least 12 points during their regular season. equations. 2x+ 3y = 4 8x + 6y = 11 Solution: ( es Let x represent the number of games the team will win and y the number of ties. 2. Use an algebraic method to find the solution to the system of equations. y3 x-6 y=-3x+4 (x, y) = ( . On the coordinate plane, graph the solution set for the number of wins and ties that will qualify a team for the playoffs. 3. Mary Beth decided to use elimination to solve a system of equations. Complete Mary Beth's work to solve the system. 12. -3(-x + 2y = -6) 3x+ 6y 6 A. 3x -6y = 3x + 6y = 6 B. 6x = C. (x, y) (_ 6. Use a graphing calculator or pencil and paper to graph the following equations. 4. Consider the following system of equations y=-2r + 7 2r + y= -3 y=x+2 y 2x-4 Complete the solution to the system by choosing from the options provided. Complete the statement below. The point of intersection on the graph of the given equations is the ordered pair 2r + ( ) = -3 = -3 The system of equations has C. -2x+7 A. -3 B. 7 D. 2x+y E. infinitely many solutions E no solution G. one solution

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