2E Linear Graph and Simultaneous Equations

Identify which of the lines does 5x + y = 5; x + 2y = 1 belong to?

• Green Line: 5x + y = 5 ; Pink Line: x + 2y = 1

• Green Line: x + 2y = 1 ; Pink Line: 5x + y = 5

What is the solution for this pair of simultaneous equations?

• ( 1, 0 )

• ( 0, 1 )

• x = 0, y = 1

• x = 1; y = 0

What is the gradient for this line: 3x + y = 8?

• 3

• -3

• 8

• -8

What is the y - intercept for this line: 3x + y = 8?

• 3

• -3

• 8

• -8

What is the equation of this pink coloured straight line?

• x = 3

• x = -3

• y = 3

• y = -3

What is the equation of the blue coloured straight line?

• x = 2

• x = -2

• y = 2

• y = -2

Describe the following graph.

• The graph has positive gradient and passes through x - intercept at x = 2.5

• The graph has positive gradient and passes through y - intercept at y = 2.5

• The graph has negative gradient and passes through x - intercept at x = 2.5

• The graph has negative gradient and passes through y - intercept at y = 2.5