Sergeant 6-2 Solving Systems By Substitution Quiz
5 Questions
| Attempts: 94
Questions and Answers
- 1.Solve the following system by substitution.y = 7 - x2x - y =8What is the y-coordinate of the solution?
- 2.Solve the following system by substitution.x + 14y = 842x - 7y = -7What is the y-coordinate of the solution?
- 3.Solve the following system by substitution.3x + y = 12y = -x - 2
- A.
(-9, 7)
- B.
(-7, 9)
- C.
(7, -9)
- D.
(7, 9)
- 4.Use substitution to solve the following system.y = 2x + 62x - y = 2
- A.
(2, 6)
- B.
(6, 2)
- C.
Infinitely many solutions
- D.
No solution
- 5.Use substitution to solve the following system.x - 2y = 34x - 8y = 12
- A.
(12, 0)
- B.
(0, 12)
- C.
Infinitely many solutions
- D.
No solution
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