Relating Equations, Graphs, Tables

Stephanie owes her mom $80 for a recent trip to the mall. She plans to payback $15 a month until it is paid back. Which equation relates the amount she owes, y, to the amount of months, x?

• y = 15x + 80

• y = -15x + 80

• y = -15x - 80

Which equation represents the table relating x and y in slope-intercept form?

• y = 2x + 2

• y = -3x + 2

• y = 6x + 5

• y = -2x - 2

Which equation matches this table?

A holiday meal cost $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs(y), including delivery, for x people?

• y = 12.50 + 30x

• y = 30 + 12.50x

• y = 12.50 + 30

• 12.50x = 30

Eddie's Electric charges $90 per hour plus a $50 traveling fee. Which equation models this scenario?

• y = -50x + 90

• y = 90x + 50

• y = -90 - 50x

• y = 50 - 90x

Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Which equation represents this situation?

• y = 10x + 5

• y = 20x

• y = 15x + 5

• y = 5x + 15

A man is climbing down from 100 feet high descending 30 feet per minute.

Which equation represents this situation?

• y = 100 - 30x

• y = 100 + 30x

• y = 100x + 30

• y = 100x - 30

What is the y-intercept?

• 12

• 4

• 8

• 3

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y =