Version B Pre-Algebra 8 2013–2014 Practice Semester 1Exam

  1. Which number is equivalent to?

(A)

(B)

(C)

(D)

  1. Which fraction is equivalent to0.875?

(A)

(B)

(C)

(D)

  1. What is the decimal equivalent of ?

(A)

(B)

(C)

(D)

  1. What is the solution to the system of equations?

(A)

(B)

(C)

(D)

  1. What value of x makes the system of equations true?

(A)

(B)

(C)

(D)

  1. For $360, a rock climbing gym offers a yearly membership where members can climb as many days as they want and pay $4 per day for equipment rental. Nonmembers pay $10 per day to use the gym and $6 per day for equipment rental. After how many visits is the total cost for a member, including the membership fee and equipment rental, the same as the total cost for nonmembers?

(A)18

(B)30

(C)59

(D)125

  1. Which equation has exactly one solution?

(A)

(B)

(C)

(D)

  1. Simplify .

(A)

(B)

(C)

(D)

  1. Which is equivalent to?

(A)0

(B)1

(C)

(D)

  1. Write the fraction in simplest form:

(A)

(B)

(C)

(D)

  1. Complete the equation so that it has infinitely many solutions.

(A)

(B)

(C)

(D)

  1. Solve for.

(A)

(B)

(C)

(D)

  1. The length of a pencil is given as units. Which is the most reasonable unit of measure?

(A)inches

(B)feet

(C)yards

(D)miles

  1. This division problem is entered into a scientific calculator:

(3 E7)(2 E3).

Which shows what the calculator may display?

(A)1.5 E–4

(B)1.5 E 3.5

(C)1.5 E 4

(D)1.5 E 10

  1. In 2010, the population of the United States was estimated as people. The population of California was estimated as people. About how many times greater is the population of the United Stated than the population of California?

(A)2 times

(B)5 times

(C)10 times

(D)20 times

  1. Tommy and Larry began reading the same book at the same time. Each boy reads at different rates.

After 4 minutes, Tommy is on page 6.

After 2 minutes, Larry is on page 4.

Who is reading at a greater rate of change?

(A)Tommy’s reading rate which is pages/min.

(B)Larry’s reading rate which is pages/min.

(C)Tommy’s reading rate which is pages/min.

(D)Larry’s reading rate which is pages/min.

  1. Which of the following represent the value of ?

I.II. III. IV.

(A)I

(B)I and II

(C)III and IV

(D)IV

Use the given information to answer questions 18 – 20.

Function 1:

Function 2:

Function 3:

  1. What is the y-intercept for Function 1?

(A)

(B)

(C)

(D)

  1. Which function has a greater slope?

(A)Function 1

(B)Function 2

(C)Function 3

(D)All are the same

  1. Which function is a proportional relationship?

(A)Function 1

(B)Function 2

(C)Function 3

(D)None

  1. Order the numbers from least to greatest.

(A)

(B)

(C)

(D)

  1. What iswritten in standard form?

(A)0.00000215

(B)0.0000215

(C)215,000

(D)21,500,000

  1. What is 621,000,000 written in scientific notation?

(A)

(B)

(C)

(D)

  1. How many solutions does the following system of equations have?

(A)One solution

(B)Two solutions

(C)Infinitely many

(D)No solutions

  1. What ordered pair satisfies both equations?

(A)

(B)

(C)

(D)

  1. Given the graphof the line, what is the correct linear equation?

(A)

(B)

(C)

(D)

  1. Solve for b.

(A)

(B)

(C)

(D)

  1. Which of the following numbers are rational?

(A)III and IV

(B)II and III

(C)IV only

(D)II only

  1. Which of the following representations are linear functions.

(A)I only

(B)II only

(C)II and III

(D)I and III

  1. Which scenario has a greater rate of change?

Scenario 1:

Scenario 2:

x is time in hours

y is distance in miles

(A)Scenario 1

(B)Scenario 2

(C)They are the same.

  1. Which input/output pairs match the graph below?

(A)

(B)

(C)

(D)

  1. The volume of the three planets is shown below:

Mars

Earth

Venus

What is the volume of all three planets added together?

(A)

(B)

(C)

(D)

  1. Which of the following tables represent functions?

(A)I and IV only

(B)II and III only

(C)I, II, and IV only

(D)I, III, and IV only

  1. Which graph below represents a function?

(A)I and III only

(B)II and IV only

(C)II, III, and IV only

(D)I, II, III and IV

  1. Which graph best represents the equation ?

(A)

(B)

(C)

(D)

  1. Triangle ABC is similar to triangle KLM where the ratio of proportionality is, and AB = 16 centimeters.
    What is KL?

(A)2 cm

(B)6 cm

(C)24 cm

(D)48 cm

  1. The graph below shows how much it costs to stay at the Dunes Hotel.

The equation below shows how much it costs to stay at the Sands Hotel:

, where x is the number of nights

Which of the following statements is true?

(A)The nightly rate is the same for both hotels.

(B)The nightly rate for the Sands Hotel is greater than the nightly rate of the Dunes Hotel.

(C)The nightly rate for the Dunes Hotel is greater than the nightly rate of the Sands Hotel.

(D)You cannot compare their nightly rates because they are NOT proportional.

  1. For which equation is the set of ordered pairs a solution?

(A)

(B)

(C)

(D)

  1. In the diagram, is the hypotenuse

of the right triangle ABC and is the hypotenuse of the right triangle CDE.

  1. is similar to
  2. The slope of is the same as the slope of .

(A)I and II only

(B)II and III only

(C)I, II, and III

(D)None are true.

2013–20141GO ON

Clark County School DistrictRevised 10/23/13

Practice B Pre-Algebra 8 2013–2014 Semester 1 Exam Constructed Response

  1. The table shows the approximate populations of several countries in 2009.

Country / Population
China /
Fiji /
Iceland /
Russia /

(a)Which country has the greatest population?

(b)Which county has the least population?

(c)How many times greater is the population of the country in part A than the population of the country in part B? Explain.

  1. The local gym offers two different yearly plans:

Plan One:$115 per year

Plan Two: $25 per year plus $5 per visit

(a)Let T = Total cost of gym membership and v = number of gym visits. Write linear equations to model Plan One and Plan Two.

(b)Graph Plan One and Plan Two in a coordinate plane.

(c)After how many visits will the cost of the two plans be equal? Show your work to support your answer.

2013–20141GO ON

Clark County School DistrictRevised 10/23/2013

Practice B Pre-Algebra 8 2013–2014 Semester 1 Exam Constructed Response

  1. Explain the difference between a rational and irrational number and give an example of each.

2013–20141GO ON

Clark County School DistrictRevised 10/23/2013