Бесплатные ответы на тесты по предмету «Linear Algebra.d» — Синергия и МТИ
Быстрый поиск
Найдите вопрос в материалах предмета
Ищем по тексту вопросов и вариантов ответа на этой странице.
Показано 87 вопросов
По вашему запросу ничего не найденоПопробуйте сократить фразу или проверить написание.
Вопрос 1Ответ открыт бесплатно
How many digits are in the decimal number system?
110✓ Правильный ответ
29
315
416
✓ Правильный ответ
10
Вопрос 2
What base is the hexadecimal number system?
16
27
312
416
Вопрос 3
What is 2^5?
116
232
364
4None of the above
Вопрос 4
What is the range of decimal values you can write in 8 bits?
10 to 8
20 to 256
30 to 63
40 to 255
Вопрос 5
0010 1010
172
282
384
4None of the above
Вопрос 6Ответ открыт бесплатно
If 'A' is ASCII 65, then 'T' is ASCII
166
299
313
484✓ Правильный ответ
✓ Правильный ответ
84
Вопрос 7
The largest decimal number you can write with four binary digits is:
116
215
314
4None of the above
Вопрос 8
How many numbers can you write with 4 binary digits?
12
24
38
416
Вопрос 9
How many numbers can you write with one binary digit?
12
24
38
416
Вопрос 10Ответ открыт бесплатно
All keyboard keys have ASCII values.
1True
2False
3It Depends
4Yes, except for special function keys like the function keys.✓ Правильный ответ
✓ Правильный ответ
Yes, except for special function keys like the function keys.
Вопрос 11
On solving 2p - 3q - 4r + 6r - 2q + p, the answer will be
18q -5r
210p + 3q - 5r
33p - 5q + 2r
47p + 5r
Вопрос 12
The answer of factorization of the expression 4z(3a + 2b - 4c) + (3a + 2b - 4c) is
1(4z + 1)(3a + 2b -4c)
2(4z + 1) + (3a + 2b -4c)
3(4z + 1) - (3a + 2b -4c)
4(4z - 1)(3a - 2b -4c)
Вопрос 13Ответ открыт бесплатно
By factorizing the expression 2bx + 4by - 3ax -6ay, the answer must be
1(2b + 3a)(x - 2y)
2(2b - 3a)(x + 2y)✓ Правильный ответ
3(2a- 3b)(3x - 2y)
4(2a + 3b)(2x - 4y)
✓ Правильный ответ
(2b - 3a)(x + 2y)
Вопрос 14
If -4x + 5y is subtracted from 3x + 2y then the answer will be
13x + 6y
22x + 5y
3x - 3y
4x + 3y
Вопрос 15
On solving the algebraic expression -38b⁄2, the answer will be
1−19b
219b
356b
4−56b
Вопрос 16Ответ открыт бесплатно
Which of the following is the numerical coefficient of x2y2?
10
21✓ Правильный ответ
3x^2
4y^2
✓ Правильный ответ
1
Вопрос 17
Which of the following is the numerical coefficient of -5xy?
15
2-x
3-5
4-y
Вопрос 18
pqr is what type of polynomial?
1Monomial
2Binomial
3Trimonial
4None of these
Вопрос 19
The value of x^2 - 5 at x= -1 is-
1-2
2-1
3-4
4-5
Вопрос 20Ответ открыт бесплатно
a^2-b^2 is a product of
1(a+b)(a-b)✓ Правильный ответ
2(a+b)(a+b)
3(a-b)(a-b)
4None of these
✓ Правильный ответ
(a+b)(a-b)
Вопрос 21
What is the value of (-1)^-1?
10
2-1
31
4None of these
Вопрос 22
Which of the following is the value of 'm' in 6^m/ 6^-3 = 6^5?
1-3
2-2
33
42
Вопрос 23Ответ открыт бесплатно
Which of the following is the standard form of 0.00001275?
11.275 * 10^-5✓ Правильный ответ
21.275 * 10^5
3127.5 * 10^-7
4127.5 * 10^7
✓ Правильный ответ
1.275 * 10^-5
Вопрос 24
Which of the following is used as a form of 5.05 * 106?
1505000
2505000000
35050000
450500000
Вопрос 25
For which of the following is m= 8?
1(5^m * 5^-3) / 5^2 = 5^3
2-(5^m * 5^-3) / 5^3 = 5^2
3(5^m * 5^3) / 5^2 = 5^3
4none of the above
Вопрос 26Ответ открыт бесплатно
1 micron = 1/1000000 m. which of the following is its standard form?
110^-5
21.6 * 10^-5
310^-6✓ Правильный ответ
✓ Правильный ответ
10^-6
Вопрос 27
[(1 / 2)^-1 + (2 /3 )^2 - (3/4)^0]^-2 is equal to:
181/484
281/169
3169/81
416/81
Вопрос 28
Which of the following = (100 - 99^0) * 100?
110000
2100
39900
499000
Вопрос 29
What is the reciprocal of (-3 / 4)^0?
1-1
21
3-4/3
44/3
Вопрос 30Ответ открыт бесплатно
Which of the following is the value of (4 / 5)^-9 / (4 / 5)^-9?
1(4/5)^18
24/5
31✓ Правильный ответ
4(5/4)^9
✓ Правильный ответ
1
Вопрос 31
The linear equation 3x-11y=10 has:
1Unique solution
2Two solutions
3Infinitely many solutions
4No solutions
Вопрос 32
3x+10 = 0 will has:
1Unique solution
2Two solutions
3Infinitely many solutions
4No solutions
Вопрос 33Ответ открыт бесплатно
The solution of equation x-2y = 4 is:
1(0,2)
2(2,0)
3(4,0)✓ Правильный ответ
4(1,1)
✓ Правильный ответ
(4,0)
Вопрос 34
The value of k, if x = 1, y = 2 is a solution of the equation 2x + 3y = k.
15
26
37
48
Вопрос 35
Point (3, 4) lies on the graph of the equation 3y = kx + 7. The value of k is:
14/3
25/3
33
47/3
Вопрос 36Ответ открыт бесплатно
The graph of linear equation x+2y = 2, cuts the y-axis at:
1(2,0)
2(0,2)
3(0,1)✓ Правильный ответ
4(1,1)
✓ Правильный ответ
(0,1)
Вопрос 37
Any point on the line x = y is of the form:
1(k, -k)
2(0, k)
3(k, 0)
4(k, k)
Вопрос 38
The graph of x = 3 is a line:
1Parallel to the x-axis at a distance of 3 units from the origin
2Parallel to the y-axis at a distance of 3 units from the origin
3Makes an intercept 3 on the x-axis
4Makes an intercept 3 on the y-axis
Вопрос 39
In equation, y = mx+c, m is:
1Intercept
2Slope of line
3Solution of the equation
4None of the above
Вопрос 40Ответ открыт бесплатно
If x and y are both positive solutions of equation ax+by+c=0, always lie in:
1First quadrant✓ Правильный ответ
2Second quadrant
3Third quadrant
4Fourth quadrant
✓ Правильный ответ
First quadrant
Вопрос 41
A pair of equations to determine the value of 2 variables is called
1simultaneous linear equations
2paired equations
3quadratic equations
4simple equations
Вопрос 42
Any new equation obtained by raising both members of an equation to the same power may have solutions is called
1extraneous solutions
2absolute value
3radical signs
4simultaneous equation
Вопрос 43Ответ открыт бесплатно
An equation involving only a linear polynomial is called a
1linear equation✓ Правильный ответ
2quadratic equation
3simultaneous equation
4inequal equation
✓ Правильный ответ
linear equation
Вопрос 44
The methods to solve a pair of simultaneous linear equations are
13
22
34
45
Вопрос 45
Linear equation is also called
1second degree equation
2first degree equation
3zero degree equation
4simultaneous equation
Вопрос 46Ответ открыт бесплатно
Solve the system of equations below:
y=3x-5
y=-2x+10
1(0, -5)
2(2, 1)
3(4, -2)
4(3, 4)✓ Правильный ответ
5(5, 0)
✓ Правильный ответ
(3, 4)
Вопрос 47
If you don't see a variable listed in a linear system in three variables, you should note that the variable has a coefficient of:
1-1
21/2
3Infinity
41
50
Вопрос 48
What are the most common letters we will see for our variables?
1x, y, and z
2s, a, and m
3m, c, and d
4f, r, and y
5a, b, and c
Вопрос 49
Solve this system.
4x+y=12
x+y=6
1x = 1 and y = 3
2x = 2 and y = 4
3x = 4 and y = 2
4x = 4 and y = 5
5x = 2 and y = 3
Вопрос 50Ответ открыт бесплатно
How many more equations are needed to complete this linear system with three variables?
11✓ Правильный ответ
23
34
42
50
✓ Правильный ответ
1
Вопрос 51
In the depreciation function V = ƒ(t) then the t is
1interest value
2time from purchase date
3purchased value
4sold value
Вопрос 52
The product sold price is $50 USD then the revenue function is
1R(50) = 50 + x
2R(x) = 50x
3R(50) = x
4R(x) = 50 + x
Вопрос 53Ответ открыт бесплатно
The function describing relationship of price related to suppliers agreed quantities to produce the material and to supply it is classified as
1selling function
2unit function
3supply function✓ Правильный ответ
4manufacturing function
✓ Правильный ответ
supply function
Вопрос 54
In the function quantity = ƒ(price per unit), the independent variable is
1profit per unit
2price per unit
3demand per unit
4cost per unit
Вопрос 55
The breakeven point that represents level of output at which
1total revenue = 0
2total revenue = total cost
3total revenue > total cost
4total revenue < total cost
Вопрос 56Ответ открыт бесплатно
In the function P(x) = 85x - (50x + 150000), the amount which indicates the increase in profit by every sold unit is
150
2150,000
3135
485✓ Правильный ответ
✓ Правильный ответ
85
Вопрос 57
The purchase cost is 30,000 and the depreciation is 5,000 then the depreciation function is
1V = ƒ(t) = 30000 - 5000t
2V = ƒ(t) = 5000t + 30000
3V = ƒ(t) = 30000t - 5000t
4V = ƒ(t) = 30000t + 5000t
Вопрос 58
The total revenue is $40,000 USD, the variable cost is $10,000 USD and the fixed cost is $40,000 USD then the prot or loss is
1−$10000
2$10,000
3$90,000
4$70,000
Вопрос 59
The revenue function is R(x) = 50x and the cost function is C(x) = 25x + 200000 then the break even point(in units) is
18000 units
20.13%
36000 units
41000 units
Вопрос 60Ответ открыт бесплатно
The product's raw material cost and labor costs are type of
1total variable cost✓ Правильный ответ
2total fixed cost
3Per unit cost
4Assemble cost
✓ Правильный ответ
total variable cost
Вопрос 61
The price of a single unit is $6 USD and the quantity sold is 300 units then the revenue is
1$1,800
2$50
3$306
4$294
Вопрос 62
The flow of money in the company because of providing services or from selling products are classified as
1revenue
2cash flow
3company cash
4selling cost
Вопрос 63Ответ открыт бесплатно
The rate of asset depreciation is constant in the method
1straight line depreciation✓ Правильный ответ
2Floating line depreciation
3curve line depreciation
4straight curve depreciation
✓ Правильный ответ
straight line depreciation
Вопрос 64
In the function P(x) = 85x-(50x+150,000), the profit for 5,000 units is
1$225,000
2$425,000
3$325,000
4$525,000
Вопрос 65
The depreciation function V = ƒ(t) is
1purchase cost - depreciation
2purchase cost + depreciation
3depreciation - purchase cost
4selling price + depreciation
Вопрос 66Ответ открыт бесплатно
In calculating total cost, the selling price for all units is
1lower for increasing units
2same for all units
3more for increasing units
4none of above✓ Правильный ответ
✓ Правильный ответ
none of above
Вопрос 67
In the depreciation function V = ƒ(t) then the V is
1book value
2interest rate
3depreciation rate
4purchase date
Вопрос 68
The decrease in prices of a market offering in a market results in
1increase in demand
2decrease in demand
3increase in other product prices
4increase in production cost
Вопрос 69
The type of linear function written as quantity supplied = ƒ(market price) is classified as:
1supply function
2manufacturing function
3selling function
4unit function
Вопрос 70Ответ открыт бесплатно
In the function quantity = ƒ(price per unit), the dependent variable is
1competitors price
2independent price
3quantity demanded✓ Правильный ответ
4quantity priced
✓ Правильный ответ
quantity demanded
Вопрос 71
If a matrix has 6 elements, then number of possible orders of the matrix can be
12
24
33
46
Вопрос 72
If A = diag(3, -1), then matrix A is
11
22
33
44
Вопрос 73Ответ открыт бесплатно
Total number of possible matrices of order 2 × 3 with each entry 1 or 0 is
16
236
332
464✓ Правильный ответ
✓ Правильный ответ
64
Вопрос 74
If A is a square matrix such that A²=A, then (I + A)² – 3A is
1I
22A
33I
4A
Вопрос 75
If matrices A and B are inverse of each other then
1AB = BA
2AB = BA = I
3AB = BA = 0
4AB = 0, BA = I
Вопрос 76Ответ открыт бесплатно
The diagonal elements of a skew symmetric matrix are
1all zeroes✓ Правильный ответ
2are all equal to some scalar k(≠ 0)
3can be any number
4none of these
✓ Правильный ответ
all zeroes
Вопрос 77
If a matrix A is both symmetric and skew symmetric then matrix A is
1a scalar matrix
2a diagonal matrix
3a zero matrix of order n × n
4a rectangular matrix.
Вопрос 78
What is the objective function (Z) to be maximised in this linear programming problem (where Z is total profit in £s)?
1Z = 2X + 3Y
2Z = 1500X + 1500Y
3Z = 100X + 120Y
4Z = 120X + 100Y
Вопрос 79
Total profits are maximised when the objective function (as a straight line on a graph) is:
1Furthest from the origin irrespective of the ‘feasible region’
2Furthest from the origin and tangent to the ‘feasible region’
3Nearest to the origin irrespective of the ‘feasible region’
4Nearest to the origin and tangent to the ‘feasible region’
Вопрос 80Ответ открыт бесплатно
What is the equation of the labour constraint line for the welding department in this linear programme?
12X + 3Y = 1,500 hours✓ Правильный ответ
23X + 2Y = 550 hours
33X + 2Y = 1,500 hours
42X + 3Y = 550 hours
✓ Правильный ответ
2X + 3Y = 1,500 hours
Вопрос 81
What is the equation of the labour constraint line for the assembly department in this linear programme?
13X + 2Y = 1,500 hours
21X + 1Y = 1,500 hours
31X + 1Y = 550 hours
42X + 2Y = 1,500 hours
Вопрос 82
What is the solution to this linear programming problem in terms of the respective quantities of X and Y to be produced if profits are to be maximised?
1X = 550, Y = 0
2X = 150, Y = 400
3X = 0, Y = 500
4X = 400, Y = 150
Вопрос 83Ответ открыт бесплатно
Which of the following is NOT an assumption of linear programming?
1Prices of products remain the same no matter how high the consumer demand
2Constant returns to the variable factors of production
3Diminishing returns to the variable factors of production✓ Правильный ответ
4Prices of factor inputs remain the same no matter how high the firm demand
✓ Правильный ответ
Diminishing returns to the variable factors of production
Вопрос 84
What can we find by using the following formula?
Total Fixed Costs / Contribution per unit
1Margin of Safety
2Budgeted Profit
3Budgeted Output
4Break-Even Output
Вопрос 85
Budgeted output minus break-even output gives us the:
1Budgeted Profit
2Margin of Safety
3Contribution per unit
4Maximum profit solution
Вопрос 86
In break-even analysis we assume:
1Non-linear relationships
2Diminishing returns to the variable factors of production
3Linear relationships
4Non-proportional relationships
Вопрос 87Ответ открыт бесплатно
If each unit of output can be sold at a price of £5 and incurs variable costs which are constant at £3 per unit, and if the fixed costs already incurred are £15,000, then the break-even output is:
15,000 units
27,500 units✓ Правильный ответ
33,000 units
415,000 units
✓ Правильный ответ
7,500 units
О материалах и доступе
Что входит в набор «Linear Algebra.d»?
87 вопросов с вариантами из опубликованных тестов (1). Сверьте формулировки и варианты с вашим заданием перед покупкой: разные программы могут содержать разные вопросы.
Какие ответы можно посмотреть бесплатно?
Нажмите «Показать ответы бесплатно»: после завершения индикатора откроется бесплатная часть ответов. Бесплатные ответы отмечены зелёным. При нескольких правильных вариантах отмечены все варианты из ключа ответа. Остальные ответы доступны после покупки.
Как получить полный доступ?
Стоимость — 2 499 ₽. Войдите в личный кабинет и оплатите выбранный предмет. Доступ действует 7 дней; подписки и автоматических списаний нет.
Что делать, если обнаружена ошибка?
Напишите нам и пришлите номер заказа, формулировку вопроса и подтверждение ошибки. Гарантия: 1 ошибка — вернём деньги.