Algebra STAAR Level 1

The table shows the amount of pet food in cups remaining in an automatic feeder as a function of the number of meals the feeder has dispensed. Based on the table, which function models this situation?

The table shows a linear relationship between x and y. What is the rate of change of y with respect to x?

The total distance in centimeters a toy robot moves varies directly with the time in seconds. The toy robot moves a total distance of 264 centimeters in 11 seconds.

What is the time in seconds the toy robot moves when the total distance is 408 centimeters?

• 24 s

• 17 s

• 13 s

• 37 s

At a restaurant, jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from 1 of those boxes. Which function shows the relationship between y, the total number of jars of tomato sauce remaining in the pantry, and x, the number of boxes in the pantry.

• y = 8x + 6

• y = 8x

• y = 8x - 2

• y = 6x

Which expression is equivalent to -28x² + 35x ?

• 7x (4x + 5)

• -7x (4x - 5)

• 7x (4x - 5)

• -7x (4x + 5)

Which graph shows the linear relationship between the maximum area in square feet that can painted and the number of paint gallons used. Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons used?

What are the equation and slope of the line shown on the grid?

The table shows the linear relationship between the balance of a student's savings account and the number of weeks he has been saving. Based on the table, what was the rate of change of the balance of the student's saving account in dollars and cents per week?

• $35 per week

• $28 per month

• $7 per week

What is the slope of the line that passes through the points (5,-11) and (-9,17)

• -2

• 7

• 2

Which line appears to have an x-intercept of -5 and a

y-intercept of 3 ?

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