STAAR Review Week #4

Which value of h make the equation true?

2.3 + h = 7.8

• h = 10.1

• h = 5.5

• h = 6.5

• h = 11.1

Which of the following situations matches the equation 17x = 340?

• The area of a garage floor is 340 square feet. The width of the garage floor is 17 feet. Find x, the length of the garage floor in feet.

• Carmen collected 340 compact discs, each with an average price of $17.00. Find x, the total cost of Carmen’s compact disc collection.

• Mr. Marcus drives 17 miles round trip to get to work each workday. Mr. Marcus drove to the office 340 times in the last 2 years. Find x, the total number of miles Mr. Marcus drove to

  work.

• The volume of a swimming pool formed in the shape of a rectangular prism is 340 cubic meters. Find x, the depth of the pool, if the width of the pool is 17 meters.

Corner Mart will donate $15 to the school for each time a player makes a basket in a free throw competition. The graph below shows the relationship. Which equation best represents the relationship between x and y?

• y = x + 15

• x = 15y

• y = 15x

• x = 15y

A landing runway for model airplanes in the shape of a rectangle has a width of yards and an area of 63.9 square yards. Which measure represents the length of the landing runway?

• 143.775 yards

• 61.65 yards

• 28.4 yards

• 66.15 yards

Which equation is true when x = –9?

• –45 = 5x

• –7x = –63

• –11 = –2 – x

• 6x = 54

William purchased 12 pounds of coffee for $45. The model represents the cost, c, for each pound of coffee purchased. What was the cost of one pound of coffee?

• $0.27

• $37.50

• $540

• $3.75

The table shows the values that represent a relationship between x and y. Which equation represents the values in the table?

• y = x + 11.50

• y = x – 11.50

• y = 12.00x – 11.50

• y = 11.50x

Which equation has a solution of 1/2 for n?

• 4 + n = 3

• n - 1 = 1.5

• 15n=30

• 16n=8

An inequality is shown below.

2x > 60

Which of these situations could the inequality represent?

• Devin had $60 in his account at the start of the year. He withdrew $2 at the end of each month. During which set of months did Devin have money remaining in his account?

• Fernando is filling a 60-gallon tank with water at a rate of 2 gallons per minute. In terms of minutes from the start, during which time interval is the tank not yet full?

• It is 8:00 am, and Amy is about to drive to her grandmother 60 miles away. In miles per hour, at what speeds could she drive to arrive at her destination before 10:00 am?

• Shari made a batch of pies to sell for $2 each. If she spent $60 on the ingredients, what are the amounts of pies that she could sell to at least recover her costs?

Meghan's mom is four times as old as Meghan. If Meghan's mom is m years old, and Meghan is h years old, which of the following equations represents the relationship between their ages?

• h = m/4

• h = 4m

• h = m − 4

• h = m + 4