8th Grade Staar Review 2

The line graphed can be used to determine the number of inches of water added to a swimming pool after different numbers of hours.

Which statement best describes the slope of the graphed line?

• The water is being added at a rate of 0.42 inch per hour.

• The water is being added at a rate of 0.80 inch per hour.

• The water is being added at a rate of 2.40 inch per hour.

• The water is being added at a rate of 1.25 inch per hour.

The coordinates of the vertices of a rectangle are A (5, 3), B (5, -9), C (-1, -9), D (-1, 3). What is the measurement for the distance between point B and point D in units to the nearest tenth.

Mathematical Equivalence

ON

Set Q and Set Z are subsets of the real number system.

Q = {rational numbers}

z = {integers}

Which Venn diagram best represents the relationship between set Q and set Z?

• 
• 
• 
• 

A teacher bought a sets of books at a cost of $17.95 per set. The teacher also paid a one-time shipping fee of $22.

Which table shows the relationship between the total cost of the books and the number of sets of books the teacher bought?

• 
• 
• 
• 

Two customers spent the same total amount of money at a restaurant.

How much does one hot wing cost at this restaurant in dollars and cents?

Mathematical Equivalence

ON

Which measurements could represent the side lengths in feet of a right triangle?

• 10ft, 24 ft, 26 ft

• 14 ft, 14 ft, 14ft

• 3 ft, 3ft, 18 ft

• 2 ft, 3 ft, 5 ft

Mathematical Equivalence

ON

Mathematical Equivalence

ON

A company is drilling a water well. The graph models the linear relationship between the depth of the well and the time spent drilling.

The y-intercept is ​ (a)   and the rate of change is ​ (b)   per ​ (c)   .

• 0
• 6 feet
• 1 hour
• 10
• 3 feet
• 2.5 hours
• 10 feet
• 5
• 1 feet

Which graph does not represent y as a function of x?

• 
• 
• 
•