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The total cost increases by $30 each month.

The total cost increases by $30 each month. The total cost increases by $30 each month. Increase of 1 month. Increase of $30. y increases by 30 as x increases by 1 . Run. Rise. y increases by 30 as x increases by 1 . Run = 1. Rise = 30. y increases by 30 as x increases by 1 .

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The total cost increases by $30 each month.

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  1. The total cost increases by $30 each month.

  2. The total cost increases by $30 each month. Increase of 1 month Increase of $30

  3. y increases by 30 as x increases by 1. Run Rise

  4. y increases by 30 as x increases by 1. Run = 1 Rise = 30

  5. y increases by 30 as x increases by 1. Run = 1 Rise = 30 Rise is the change in y. Run is the change in x. The ratio of rise to run is called the slope of the line.

  6. y increases by 30 as x increases by 1. Run = 1 Rise = 30 Rise is the change in y. Run is the change in x. The ratio of rise to run is called the slope of the line. 30 rise 1 run The slope is the monthly fee of $30. slope = = = 30

  7. The slope is the monthly fee of $30. 30 rise 1 run slope = = = 30

  8. The slope is the monthly fee of $30. 30 rise 1 run Begin at $100. This is called the y-intercept. It is the initial membership fee. slope = = = 30

  9. The equation that represents the cost of the gym membership is: Cost = $30 paid each month + one time membership fee or y = 30x + 100

  10. The equation that represents the cost of the gym membership is: Cost = $30 paid each month + one time membership fee or y = 30x + 100

  11. y = 30x + 100

  12. y = 30x + 100 slope = 30 y-intercept = (0,100)

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