LE - 2 variables (Elimination method)

If (4, 19) is a solution of the equation y = ax + 3, then a

• 12
• 2
• 7
• 4

What is the solution of the system of equations: 2x – 3y = 5, x + y = 3?

• The solution is x = 4, y = -1.
• The solution is x = 0, y = 3.
• The solution is x = 3, y = 2.
• The solution is x = 2, y = 1.

What is the solution of the system of equations: 3x – 2y = 4, 2x + y = 1?

• x = -1, y = 2
• x = 1, y = 2

• x = 0, y = 1
• x = 3, y = -2

What is the solution of the system of equations: x – y = 2, 3x + y = 6?

• x = -1, y = 3
• x = 2, y = 0
• x = 0, y = 2
• x = 3, y = 1

What is the solution of the system of equations: 2x – 5y = 3, 4x – 10y = 6?

• x = 1, y = 2
• x = 0, y = 0
• x = 1, y = -1

• x = -2, y = -1

What is the solution of the system of equations: 3x + 4y = 10, 6x + 8y = 14

• Infinite solutions
• x = 2, y = 1
• x = 3, y = 2
• No solution

What is the solution of the system of equations: 2x + 3y = 8, 4x + 6y = 16?

• x = 1, y = 2

• x = 2, y = 3
  

• x = 3, y = 4

• x = 4, y = 5

What is the solution of the system of equations: 3x – 4y = 10, 6x – 8y = 20?

• x = 5, y = -4

• x = 4, y = -3

• x = 3, y = -2

• x = 2, y = -1

What is the solution of the system of equations: 2x – 3y = 6, 4x – 6y = 12?

• x=5, y=4

• x=-5,y=4

• x=5, y= 4

• x=1, y=1

What is the solution of the system of equations: 5x – 2y = 8, 10x – 4y = 16?

• x=2, y=2

• x=1 , y=1

• x=-1, y=3

• x=5, y=-4