Additive Relationships and Y-Intercept

Is this graph additive or multiplicative?

• Additive

• Multiplicative

What is the equation for this graph?

• y = 4x

• y = 3x

• y = x + 3

• y = x + 4

What is the equation for this graph?

• y = 4x

• y = 5x

• y = 1.25x

• y = 0.80x

Which statement best describes the relationship between x and y in this graph?

• y is five times x

• y is one-fifth times x

• y is five more than x

• y is five less than x

What is the y - intercept in the graph above?

What is the equation of the graph above?

Given the table of values for the additive relationship, what is the equation of the line?

Given the table of values for the additive relationship, what is the equation of the line?

Ms. Nye asked her students to write a situation that could describe the relationship between all the values of x and y in the table. Which situation best describes the relationship between all the values of x and y in the table?

• Emma has eight times as many green socks as blue socks.

• Drake had eight dollars and then saved one dollar each week.

• Trace built one model in eight months and then built one model each week.

• Serena practiced for eight hours the first week and for nine hours each week after that.

What type of relationship is represented by this graph?

• Additive because the line does not cross through the origin

• Proportional because the line does cross through the origin