Additive or Proportional

Which graph represents y = x + 3?

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Which words apply to additive relationships?

• origin

• proportional

• y-intercept b

• slope y/x

• adding or subtracting

Which equation applies to additive relationships?

• y = mx

• y = x + b

Which equation applies to proportional relationships?

• y = mx

• y = x + b

Is this graph additive or multiplicative?

• Additive

• Multiplicative

What is the equation for this graph?

• y = 6x

• y = 1/6x

• y = x - 6

• y = x + 6

Is this graph additive or multiplicative?

• Additive

• Multiplicative

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 three times x

• y is one-third times x

• y is three more than x

• y is three less than x

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