Name: __________________________________ Per: ________ Systems of Equations and Inequalities Review (Vegan) YOU MUST SHOW WORK ON ALL QUESTIONS TO RECEIVE CREDIT 1. Graph the inequality. I am the one whom watches. – Abe 2. Graph the system of equations. State the solution below (as a point). y = –2x and y = x + 3 1 y≤ x+1 4 3. Graph the system of inequalties. State any one solution below (point). 1 y ≤ x + 2 and y > 2x – 1 2 Solution ( -6 -4 -2 , ) Solution ( 6 6 6 4 4 4 2 2 2 0 -2 2 4 6 -6 -4 -2 0 -2 2 4 6 -6 -4 -2 0 -2 -4 -4 -4 -6 -6 -6 , ) 2 4 6 4. Tell whether the system has one 5. Choose the point that is a solution 6. Choose which inquality is shown in solution, no solution, or infinite to the inequality below. the graph below. solutions. Hint: Plug it in! Circle One y = –3x – 1 y = –3x – 9 2y + 2 > –10x + 2 1 A) y < x + 3 2 1 B) y ≥ x + 3 2 1 C) y > x + 3 2 1 D) y ≤ x + 3 2 Circle One A) One Solution Circle One B) No Solutions A) (–2 , –2) C) (2 , 4) C) Infinite Solutions B) (1 , –10) D) (–10 , –1) 7. Write THREE coordinates or points that are solutions to the system of inequalties to the right. Solution ( , ) Solution ( , ) Solution ( , ) Note: When solving a system Algebraically, you may use Elimination or Substitution. The solution will be a coordinate. 8. Solve the system ALGEBRAICALLY. 9. Solve the system ALGEBRAICALLY. 10. Solve the system ALGEBRAICALLY. y = 4x + 10 y = 2x + 8 2x + y = 1 4x – y = 17 5x + 2y = 12 y=x–1 Solution ( , ) 11. Solve the system ALGEBRAICALLY. Solution ( , ) Solution ( , ) x + 3y = 9 5x + 9y = 21 Solution ( , ) Note: When solving a system Algebraically, you may use Elimination or Substitution. The solution will be a coordinate.
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