Algebra Functional and Linear Relationships

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Which variable represents y-intercept in the linear equation y=mx+b?

• y

• x

• m

• b

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked
  is the unit rate

• $500 is earned for every 8 hours worked

• $300 is earned after working 4 hours

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

Which table contains only values that satisfy the equation

y = 0.5x + 14?

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What is the equation for this line?

• y = x - 2

• y = x + 2

• y = 2x

• y = -x + 2

The table shows the relationship between y, the cost to rent a boat, and x, the amount of time the boat is rented. Which graph best represents the relationship between x and y shown in the table? (7.7A)

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Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

What is the y-intercept in the equation y= -2x + 5

• -2

• 3

• 5

• Cannot be Determined