STAAR Review Questions #2

A class was given 1 hour to complete a test.  The scatterplot below shows the relationship between the speed at which the students completed the test and the number of careless mistakes they made.

• Positive Correlation

• Negative Correlation

• No Correlation

• Constant Correlation

The total cost of attending a county fair includes the cost of admission and a charge for each ride ticket.  The table shows the number of ride tickets and the total cost of attending the fair.

Which equation represents the relationship between the number of ride tickets and the total cost?

• y = 1.5x+2

• y = 3x-2

• y = 2/3x + 2

• y = 2x + 1.5

The dashed line represents the dilation image of a triangle. What is the scale factor?

• 1/4.

• 1/2

• 2/3

• 2

Joe has an aquarium that is 18 inches long, 1 foot wide and 16 inches tall. He fills it with sand to a depth of 3 inches. What is the volume of sand in the aquarium?

• 54 cubic inches

• 288 cubic inches

• 648 cubic inches

• 3,456 cubic inches

A inear function is shown in the table. Which function below has a greater slope and y-intercept than the one in the table?

• y = 2x + 8.5

• y = 3x + 7.5

• y = 5x + 6.5

• y = 10x + 5.5

Assume line m and line n are parallel lines cut by the transversal line l.  What is the value of x?

Mathematical Equivalence

ON

What is the slope of the line below?

• -3

• 1/3

• -1/3

• 3

A home-builders group recently published a study comparing the cost of building homes from 1,000 to 3,000 square feet in area in four different communities. The study found that the formulas below predicted the approximate cost, c, of building a new home in each of these communities in terms of f, the area of the home in square feet.

Based on these formulas, in which community would it cost the least to build a home with an area of 1,450 square feet?

• R

• S

• T

• V

Benjamin receives a bonus of $1000. He plans to deposit his bonus into one of the following savings 

accounts for 3 years.

 

                Bank A                                                          Bank B

     5% Simple Interest                                  5% Interest Compounded Annually

               

Which of the following statements is true?

• After 3 years, Bank A will pay Benjamin $7.63 more than Bank B.

• After 3 years, Bank A will pay Benjamin $23.88 more than Bank B.

• After 3 years, Bank B will pay Benjamin $7.63 more than Bank A.

• After 3 years, Bank B will pay Benjamin $23.88 more than Bank B.

• 17 feet

• 21 feet

• 23 feet

• 25 feet