STAAR Algebra

The height of a bean plant can be modeled by the graph of the linear function shown on the grid. Which of these best represents the rate of change in the height of the bean plant with respect to time?

• 1.5 inches per month

• 2 inches per month

• 2.5 inches per month

• 10 inches per month

A saving's account began with a balance of $250. The relationship between the number of deposits, x, and the balance in the amount, y, is represented by the equation 75x − y = −250. What is the rate of change of the balance with respect to the number of deposits?

• $50 per deposit

• $75 per deposit

• $175 per deposit

• $250 per deposit

The total cost a painter charges to paint a house can be modeled by the equation 25x − y = −200

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Which graph shows a linear function with a zero of 4?

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What is the slope of the linear function graphed below?

• 0.5

• 2

• 5

• 0.2

The graph shows the relationship between the height of a mountain climber and the total number of hours spent climbing. What does the y-intercept of the graph represent?

• The total number of hours the mountain climber has climbed.

• The initial height of the mountain climber.

• The total number of feet the mountain climber has climbed.

• The rate at which the mountain climber is climbing at.

Which graph represents the solution set of 3x + 5y > −10?

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The graph of 0.75x + y = −2 is shown on the grid. Which ordered pair is in the solution set of 0.75x + y > −2

• (-1.5, -2)

• (1.5, -3.5)

• (0, -2)

• (1.5, 1)

What is the slope of the line 2x + 7y = −21?

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What is the slope of the line 2x + 7y = −21?

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