Algebra I2008–2009 Semester 1 Assessment — Released

DRAFT

  1. Find the product:

  2. Find the sum of the matrices:

2008–20091GO ON

ClarkCountySchool DistrictRevised 07/22/2009

Algebra I2008–2009 Semester 1 Assessment — Released

DRAFT

  1. The distributions of two students’ grades are shown below:

Which statement about the box-and-whisker plots is true?

  1. Yang’s highest grade is greater than Jose’s highest grade.
  2. Yang’s lowest grade is greater than Jose’s lowest grade.
  3. Yang’s median grade is greater than Jose’s median grade.
  4. Yang’s range of grades is greater than Jose’s range of grades.

2008–20091GO ON

ClarkCountySchool DistrictRevised 07/22/2009

Algebra I2008–2009 Semester 1 Assessment — Released

DRAFT

  1. There are 4 red marbles, 6 blue marbles, and 2 black marbles in a bag. What is the probability of randomly selecting a red marble from the bag on the first try?
  2. A fair 6-sided number cube is rolled once and a fair coin is flipped once. What is the probability thatan odd number is rolled and a head is flipped?
  3. Simplify the expression:
  1. –18
  2. –10
  3. 5
  4. 12

  1. Evaluate the expression when y = 6.
  2. –13
  3. –3
  4. 11
  5. 13
  6. Evaluate the expression2x – 8y + 9 when x = and y = 0.
  7. –21
  8. –3
  9. 12
  10. 15
  1. Use the table below to write an algebraic expression that represents the value of the nth term of the sequence.
  1. n + 2
  2. n + 3
  3. 2n + 3
  4. 3n + 2
  1. Simplify the expression:
  1. 7x – 4
  2. 7x – 32
  3. 2x + 1
  4. 2x – 7

  1. Simplify the expression:
  1. Write an expression for the perimeter of the rectangle:
  1. 2xy
  2. 6xy
  3. 4x + 2y

  1. Which of the following tables represent functions?
  1. I and IV only
  2. II and III only
  3. I, II, and IV only
  1. I, III, and IV only

  1. Determine which of the following are functions:

  1. I and III only
  2. II and IV only
  3. II, III,and IV only
  4. I, II, III and IV

  1. Which input-output table represents the function ?

A. / Input / Output
2 / 1
3 / 2
6 / 9
8 / 13
B. / Input / Output
2 / 1
3 / 2
6 / 5
8 / 13
C. / Input / Output
2 / 1
3 / 3
6 / 5
8 / 13
D. / Input / Output
2 / 1
3 / 3
6 / 9
8 / 13
  1. Let a function be defined as . What is ?
  2. –18
  3. –6
  4. 0
  5. 14

  1. Translate the table into words:
  1. The output is three more than negative four times the input.
  2. The output is negative three times the input.
  3. The output is two less than negative three times the input.
  4. The output is three less than negative four times the input.
  1. Which sentence represents the equation , wherey is Devon’s age and x is his sister’s age?
  2. Devon is 3 years younger than seven times his sister’s age.
  3. Devon is 3 years older than seven times his sister’s age.
  4. Devon is 7 years younger than three times his sister’s age.
  5. Devon is 7 years older than three times his sister’s age.
  6. What is the range of the following relation?

  1. Solve the equation.
  2. x = –80
  3. x = –5
  4. x = 5
  5. x = 80
  6. Solve the equation for x:

2x – 6 + 3x = 14.

  1. x =
  2. x =
  3. x = 4
  4. x = –4
  1. Solve the equation.
  2. y = –4
  3. y = –2
  4. y = 1
  5. y = 3
  6. Which point on the number line represents the solution of?
  1. Point A
  2. Point B
  3. Point C
  4. Point D

  1. Solve for y in the equation .
  2. y = 4w – x
  1. Sara uses the equation P = 8h + 40 to figure her weekly pay, P, in dollars, for h hours. How many hours should Sara work to earn exactly $320 this week?
  2. 35 hours
  3. 40hours
  4. 45hours
  5. 50hours
  6. The $189 selling price of acell phone is $51 more than 3 times the wholesale cost. What is the wholesale cost?
  7. $36
  8. $46
  9. $80
  10. $138

  1. Graph the inequalityx < –7.
  2. Solve the following inequality for x:
  1. What is the solution set of?
  2. {1}

  1. Solve the compound inequality:

and

  1. or
  2. or
  1. Solve the compound inequality and graph its solution:

or

  1. Solve the inequality below:
  1. or
  2. or

  1. Which statement is true about the characteristics of the threelines in the graph below?
  1. They have the same equation.
  2. They have the same slope.
  3. They have the same x-intercept.
  4. They have the same y-intercept.

  1. A job pays a base salary of $30,000. Each year anemployeewill earn an additional $2,000. The graph of an employee’s salary over 10 years is shown below.

What would happen to the graph if the base salary was changed from $30,000 to $40,000?

  1. The graph would translate down.
  2. The graph would translate up.
  3. The graph would rise less steeply from left to right.
  4. The graph would rise more steeply from left to right.

  1. Find the slope of the line in the graph.
  1. Find the slope of the line that contains the points and .
  2. 3

  1. Find the slope of the line that contains the points (8, 3) and (8, 8).
  2. 0
  3. undefined
  4. What are the x- and y-intercepts of ?
  5. x-intercept = 9; y-intercept = –3
  6. x-intercept =; y-intercept = –3
  7. x-intercept = –3; y-intercept =
  8. x-intercept =; y-intercept = 9

  1. Use the graph below.

What is the equation of the line in the graph?


  1. Graph the linear equation:

  1. Write the equation
    in standard form.
  1. Write the equation
    in slope-intercept form.
  2. Identify a point-slope equation of the line thatpasses through the point (–4, 5) and has a slope of .

  1. What is the equation of the line in slope-intercept form passing through the points in the table?

x / −2 / 0 / 2 / 4 / 6
y / −3.5 / −3 / −2.5 / −2 / −1.5
  1. Which is an equation of a line perpendicular to ?
  2. y = 3x + 3
  3. Which equation represents the line that contains the point (–3, 14) and is parallel to the line?

  1. The scatterplot below represents distances a walker traveled (in miles) versus time (in hours).

Based on a linear model of the data, which choice below is the best prediction for the distance traveled after 4 hours?

  1. 2 miles
  2. 5 miles
  3. 8 miles
  4. 12 miles

  1. Casey made a scatter plot to show the total number of text messages remaining on her plan throughout the month.

Which linear equation best models Casey’s data?


  1. Graph the linear inequality.

2008–20091GO ON

ClarkCountySchool DistrictRevised 07/22/2009

Algebra I2008–2009 Semester 1 Assessment — Released

DRAFT

  1. Use the graph below.

What is the equation of the absolute value function?

2008–20091

ClarkCountySchool DistrictRevised 07/22/2009

Algebra I2008–2009 Semester 1 Assessment — Released

Free Response

DRAFT

  1. Justify each step used to solve the algebraic equation .

List each stepJustification for each step

  1. Use the graph of thelinear relation below to answer each question.
  1. Complete the table of values below:
  1. Explain why this relation is a function.
  1. Write the linear equation,in function notation, that models the graph.

2008–20091GO ON

ClarkCountySchool DistrictRevised 07/22/2009

Algebra I2008–2009 Semester 1 Assessment — Released

Free Response

DRAFT

  1. A rental car company charges a $35.00 fee plusan additional $0.15 per mile driven.
  1. Write a linear equation to model the cost (C) of renting a vehicleas a function of miles driven (m).
  1. A renter paid $65.00 when avehicle was returned. How many miles was the vehicle driven? Show all work.
  1. How would the graph of the cost equation in Part A differ from the graph of ? What would this mean in the context of the cost of renting a vehicle?

2008–20091

ClarkCountySchool DistrictRevised 07/22/2009