12 00 Semester 2 Exam Part 1 2

Question Description

Question 1

  1. Which of the following is the correct matrix representation of the Thursday movie ticket sales?
    Ticket Sales for Thursday Children Adults Ticket Sales for Friday Children Adults Ticket Sales for Saturday Children Adults
    Regular 257 183 355 402 398 423
    Matinee 135 168 242 311 376 386

    a 2 by 2 matrix: row one is 257, 183 and row two is 135, 168
    a 2 by 2 matrix: row one is 183, 355 and row two is 168, 242
    a 2 by 2 matrix: row one is 398, 423 and row two is 376, 386
    a 2 by 2 matrix: row one is 355, 402 and row two is 242, 311

2 points

Question 2

  1. If A = a two by three matrix: row one is 3, 5, 2 and row two is negative 1, 8, 5 and B = a two by three matrix: row one is 7, 3, negative 2 and row two is 5, 4, 3 , find B – A.
    a two by three matrix: row one is negative 4, 2, 4 and row two is negative 6, 4, 2
    a two by three matrix: row one is negative 4, 2, 0 and row two is 4, 4, 2
    a two by three matrix: row one is 4, negative 2, 0 and row two is 4, negative 4, negative 2
    a two by three matrix: row one is 4, negative 2, negative 4 and row two is 6, negative 4, negative 2

2 points

Question 3

  1. Matrix A has dimensions 5 x 1. Matrix B has dimensions 5 x 1. These two matrices can be multiplied.
    TRUE
    FALSE

2 points

Question 4

  1. Evaluate a two by two matrix with row one: 1, 4; and row two: negative 3, 5; times a two by two matrix with row one: 1, 6; and row two: 4, 2
    a two by two matrix with row one: 1, 24; and row two: negative 12, 10
    a two by two matrix with row one: 2, 10; and row two: 1, 7
    a two by two matrix with row one: 17, 14; and row two: 17, negative 8
    a two by two matrix with row one: negative 17, 34; and row two: negative 2, 26

2 points

Question 5

  1. Evaluate a two by two matrix with row one: 1, 6; and row two: 4, 2; times a two by two matrix with row one: 1, 4; and row two: negative 3, 5
    a two by two matrix with row one: 1, 24; and row two: negative 12, 10
    a two by two matrix with row one: 2, 10; and row two: 1, 7
    a two by two matrix with row one: 17, 14; and row two: 17, negative 8
    a two by two matrix with row one: negative 17, 34; and row two: negative 2, 26

2 points

Question 6

  1. Find the determinant for a 2 by 2 matrix: row one is 2, negative 4 and row two is negative 2, 4
    16
    0
    -16
    8

2 points

Question 7

  1. Two lines that intersect have _____ solutions.
    one
    two
    three
    four

2 points

Question 8

  1. Does the following system of equations have a solution?

    graph of lines y equals 2 x plus 1 and y equals negative x minus 2

    Yes
    No

2 points

Question 9

  1. What is the approximate solution of the following system of equations?

    graph of lines y equals 2 x plus 1 and y equals negative x minus 2

    (-1, 1)
    (-1, -1)
    (1, -1)
    (1, 1)

2 points

Question 10

  1. Solve the following system of equations by using the substitution method.
    x + y = 1
    3x – y = 11
    (-3, 4)
    (6, -5)
    (3, -2)
    Inconsistent

2 points

Question 11

  1. Solve the following system of equations by using the substitution method.
    y = 2x + 3
    5x – 2y = -5
    (5, 6)
    (1, 5)
    (-11, -20)
    Inconsistent

2 points

Question 12

  1. Solve the following system of equations by using the elimination method.
    2x – 3y = -10
    3x + 5y = 4
    (2, -2)
    (-2, 2)
    Inconsistent
    Consistent

2 points

Question 13

  1. Solve the following system of equations by using the elimination method.
    2x + 4y = 8
    3x – 3y = 12
    (4, 0)
    (0, 4)
    (-4, 0)
    (0, -4)

2 points

Question 14

  1. Solve the following system of equations using matrices.
    2x + 4y = 16
    -4x – 8y = 32
    (2, 2)
    (-2, -2)
    Consistent
    Inconsistent

2 points

Question 15

  1. Solve the following system of equations using matrices.
    4x – 2y = -6
    3x – 6y = -18
    (40, 90)
    (3, 0)
    (0, 3)
    (-6, 18)

2 points

Question 16

  1. Acollection of dimes and quarters has a total value of five dollars andcontains 29 coins. How much of each kind of coin are there in thecollection.
    15 dimes and 14 quarters
    14 dimes and 15 quarters
    10 dimes and 19 quarters
    19 dimes and 10 quarters

2 points

Question 17

  1. Which of the following is a solution to the following system of inequalities?
    solid line at y equals negative x plus one, dotted line at y equals two x plus 3, shaded above the first line and below the second line
    (1, 1)
    (-4, 0)
    (3, -3)
    (0, 5)

2 points

Question 18

  1. The following is the solution of x – 2y > -4.
    x + y ≥ -3

    dotted line at x minus 2 y equals negative 2, solid line at x plus y equals negative 3, shaded below the first line and below the second line

    TRUE
    FALSE

2 points

Question 19

  1. Solve x + y + z = 12
    2x – y – z = -6
    x + 3y + 5z = 44
    (4, 3, 5)
    no solutions
    (2, 4, -6)
    (2, 4, 6)

2 points

Question 20

  1. Solve x + y = 6
    y + z = 0
    x + y – z = 4
    Infinite number of solutions
    no solutions
    (8, -2, 2)
    (3, 3, -3)

2 points

Question 21

  1. Kimhas $1.65 in nickels, dimes and quarters. She has 10 coins alltogether and the number of quarters is equal to the number of nickelsand dimes combined. Haw many of each coin does she have?
    3 nickels, 2 dimes, 5 quarters
    3 nickels, 2 dimes, 2 quarters
    2 nickels, 3 dimes, 5 quarters
    3 nickels, 5 dimes, 2 quarters

2 points

Question 22

  1. Which of the following are congruent?
    The opposite sides in a kite
    The opposite angles in a trapezoid
    The opposite angles in a parallelogram
    The diagonals in a rhombus

2 points

Question 23

  1. YWXZ is a rhombus with diagonals that intersect at point S. Angle WSX measures 3 x plus 12 degrees Find the value of x.
    rhombus YWXZ with diagonals WZ and XY that cross at point S
    26
    56
    34
    Not enough information is given

2 points

Question 24

  1. ABCD is a parallelogram. Angle B is equal to 3 x plus 5 degrees and angle D is equal to x twenty degrees Find x.
    parallelogram A B C D
    12.5
    15
    7.5
    38.75

2 points

Question 25

  1. Triangle LMN is congruent to triangle HIJ. Angle L measures 35 degrees angle M measures 65 degrees and angle I measures 2x + 10 degrees. Find the value of x.
    27.5
    35
    12.5
    40

2 points

Question 26

  1. Triangle ABC is congruent to triangle XYZ. Angle A measures 50 degrees angle B measure 2 x plus 40 degrees and angle Z measures 4 x plus 8 degrees Find the value of x.
    20.5
    13.67
    16
    10.5

2 points

Question 27

  1. TriangleABC is similar to triangle XYZ. Side AB measures 2, side BC measures x+ 5, side CA measures x + 7, side XY measures 4 and side ZX measures 4x– 2. Find the value of x.
    6.33
    7.2
    5
    8

2 points

Question 28

  1. TriangleDEF is similar to triangle PQR. Side DE measures 3, side EF measures 7and side FD measures 9. Side PQ measures 5x – 25 and side QR measures6x + 4. Find the value of x.
    11
    12
    3
    14

2 points

Question 29

  1. Point C is the center of the circle. Arc AB measures 5x + 2. Angle ACB measures 3x + 14. Find the value of x.
    circle C with points A, B, and D on the circle and central angle A C B drawn
    2
    8
    6
    20

2 points

Question 30

  1. Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc AB measures 20x – 10. Find the measure of arc AB.
    circle C with points A, B, and D on the circle and central angle A C B drawn
    60
    135
    110
    95

2 points

Question 31

  1. Angle C is an inscribed angle of circle P. Angle C measures (3x + 5)° and arc AB measures (16x)°. Find x.
    circle P with points A, B, and C on the circle and inscribed angle A C B drawn
    1
    5
    3
    9

2 points

Question 32

  1. Angle C is an inscribed angle of circle P. Angle C measures (16x – 1)° and arc AB measures (20x + 10)°. Find x.
    circle P with points A, B, and C on the circle and inscribed angle A C B drawn
    1
    5
    3
    9

2 points

Question 33

  1. Circles M and K are congruent and QR is congruent to LN. Find x.
    circle M with points R and Q on the circle, segment QR measures 5 x, circle K with points L and N on the circle, segment LN measures 3x plus 54
    21
    24
    27
    29

2 points

Question 34

  1. Circles M and K are congruent, arc QR is congruent to arc LN and arc OP is congruent to arc VW. Find x.
    circle M with points R, Q, W and V on the circle, segment QR measures 2 x minus y, segment WV measures 5 x plus y, circle K with points L, N, O and P on the circle, segment LN measures 11 and segment OP measures 10
    3
    -3
    5
    -5

2 points

Question 35

  1. Segment AB and Segment BC are tangent to circle D. Find angle B if arc AEC measures 210°
    circle D with points A and C on the circle, point B outside the circle, tangent lines BA and BC drawn
    105°
    30°
    285°
    Cannot be determined

2 points

Question 36

  1. Find the Imported Asset if Imported Asset is equal to 51° and angle A measures 21°. Imported Asset
    15°
    93°
    72°
    46°

2 points

Question 37

  1. What is the distance between P(0, 14) and Q(5, -2)?
    square root of 281
    13
    square root of 171
    14

2 points

Question 38

  1. Find the midpoint of segment PQ if P (10, 20) and Q(15, 20)?
    (2.5, 0)
    (25, 40)
    (12.5, 20)
    (20, 12.5)

2 points

Question 39

  1. The equation x squared plus y squared equals 14 represents a __________.
    parabola
    circle
    hyperbola
    ellipse

2 points

Question 40

  1. What is the focus of the following graph?
    parabola opening to the left, with vertex at (0, 0) and directrix at x equals 6
    (0, 6)
    (6, 0)
    (0, -6)
    (-6, 0)

2 points

Question 41

  1. What is the focus of the following graph?
     parabola opening down, with vertex at (2, negative 4) and directrix at y equals negative 1
    (-4, 2)
    (-7, 2)
    (2, -4)
    (2, -7)

2 points

Question 42

  1. What is the focus of the following graph?
     parabola opening down, with vertex at (2, 3) and directrix at y equals 8
    (2, 3)
    (2, -2)
    (2, 2)
    (2, 8)

2 points

Question 43

  1. What is the equation of a parabola with a vertex at (1, -1) and a directrix y = 4.
    y plus 1 equals negative one-twentieth times x minus 1 quantity squared
    y plus 1 equals one-twentieth times x minus 1 quantity squared
    y plus 1 equals negative one-twelfth times x minus 1 quantity squared
    x plus 1 equals negative one-twentieth times y minus 1 quantity squared

2 points

Question 44

  1. What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).
    y equals negative one-sixteenth times x squared
    x equals negative one-sixteenth times y squared
    y equals one-sixteenth times x squared
    x equals one-sixteenth times y squared

2 points

Question 45

  1. What is the symmetry of the following graph?
    parabola with vertex at (negative 2, 5) which opens down
    x = 2
    x = -2
    y = 5
    y = -5

2 points

Question 46

  1. What is the equation of the following graph?
    circle through the points (4, 0), (0, 4), (negative 4, 0) and (0, negative 4)
    x2 + y2 = 1
    x2 + y2 = 4
    x2 + y2 = 16
    x2 + y2 = 17

2 points

Question 47

  1. What is the center of the following circle?
    circle through the points (5, negative 1) (negative 1, 5), (negative 7, negative 1) and (negative 1, negative 7)
    (1, –1)
    (–1, 1)
    (1, 1)
    (–1, –1)

2 points

Question 48

  1. What is the center of the following circle?
    circle through the points (6, 4) (1, 9), (negative 4, 4) and (1, negative 1)
    (–1, –4)
    (1, 4)
    (4, 1)
    (–4, –1)

2 points

Question 49

  1. Write the equation of a circle with a center at (–4, 2) and a radius of 2.2.
    (x + 4)2 + (y – 2)2 = 2.2
    (x + 4)2 + (y – 2)2 = 4.4
    (x + 4)2 + (y – 2)2 = 4.84
    (x – 4)2 + (y + 2)2 = 4.84

2 points

Question 50

  1. Write the equation of a circle with a center at (5, 5) and a diameter of 13.
    (x – 5)2 + (y – 5)2 = 42.25
    (x + 5)2 + (y + 5)2 = 169
    (x + 5)2 + (y + 5)2 = 13
    (x + 5)2 + (y + 5)2 = 42.25

2 points

33 mins ago

requirementsschool algebra 2school 12.00 Semester 2 Examschool Take Test: 12.00 Semester 2 Examaccount_balance keystone

Duepapers
Calculate your paper price
Pages (550 words)
Approximate price: -

Why Work with Us

Top Quality and Well-Researched Papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional and Experienced Academic Writers

We have a team of professional writers with experience in academic and business writing. Many are native speakers and able to perform any task for which you need help.

Free Unlimited Revisions

If you think we missed something, send your order for a free revision. You have 10 days to submit the order for review after you have received the final document. You can do this yourself after logging into your personal account or by contacting our support.

Prompt Delivery and 100% Money-Back-Guarantee

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & Confidential

We use several writing tools checks to ensure that all documents you receive are free from plagiarism. Our editors carefully review all quotations in the text. We also promise maximum confidentiality in all of our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

No matter what kind of academic paper you need and how urgent you need it, you are welcome to choose your academic level and the type of your paper at an affordable price. We take care of all your paper needs and give a 24/7 customer care support system.

Admissions

Admission Essays & Business Writing Help

An admission essay is an essay or other written statement by a candidate, often a potential student enrolling in a college, university, or graduate school. You can be rest assurred that through our service we will write the best admission essay for you.

Reviews

Editing Support

Our academic writers and editors make the necessary changes to your paper so that it is polished. We also format your document by correctly quoting the sources and creating reference lists in the formats APA, Harvard, MLA, Chicago / Turabian.

Reviews

Revision Support

If you think your paper could be improved, you can request a review. In this case, your paper will be checked by the writer or assigned to an editor. You can use this option as many times as you see fit. This is free because we want you to be completely satisfied with the service offered.