Writing and interpreting linear functions

Which of the following equations represents the graphed line?

What is the equation of the line shown above in slope-intercept form?

• y = 2x

• y = 2x + 4

• y = 4x + 2

• y = 4x

Which linear equation represents the line?

• y = 7.5x - 40

• y = -7.5 - 40

• y = 7.5x + 40

• y = -7.5x + 40

What is the equation of this line?

• y = 3x - 1

• y = 3x + 1

• y = x + 3

• y = 3 - x

Choose the equation for the relationship shown in the graph.

• y = x + 10

• y = x - 7

• y = x - 8

• y = x + 9

Write the equation for this graph? 

• y = - 10x + 60
• y = - 5x + 60
• y = - ¹/₂ x + 60
• y = - x + 60

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

What could be the function for this graph?

• None of these

What is the equation for the line on the graph?

• y = 4x + 1

• 3x + 1 = y

• 4x = y

• 2x + 4 = y

Write an equation of graph 2.