Proportional and Additive Relationships

Grace is saving for a shopping trip. She has $16 already saved and will earn $1 per week. Choose ALL statements that are correct.

• This is a proportional relationship.

• This is an additive relationship.

• The y-intercept is 16.

• The slope is 16.

Look at the graph. Choose ALL the correct statements.

• The slope is 4.

• The y-intercept is 4.

• When x is 9, y will be 36.

• When x is 20, y will be 24.

Which equation represents the graph?

• y = -25x

• y = x - 25

• y = x + 25

• y = 25x

Which tables represent additive relationships? Choose ALL that are correct.

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Sean can run 55 yards in 5.5 seconds. The total number of yards is represented by y, and the number of seconds is represented by x.

Cecil walks 2 meters every second. The number of seconds is represented by x, and the number of meters he walks is represented by y. Choose the correct graph and table.

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Thomas is exactly three years older than his sister, Maria. If Maria’s age is represented by x, and Thomas’ age is represented by, y. Choose ALL that are correct.

• The equation is

  y = x +3

• The equation is

  y = x - 3

• The y-intercept is 3.

• The y-intercept is

  -3.

Which tables represent proportional relationships? Choose ALL that are correct.

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Look at the graph. Choose ALL that are correct.

• The y-intercept is 5

• The y-intercept is -5

• y = x + 5

• y = -5x

Look at the table. Which equation represents the relationship between x and y?

• y = x + 1

• y = x - 2