UBT Mathematics 2024, Variant 1

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Questions and Answers

Егер $10\sqrt{3} - \sqrt{48} - \sqrt{75}$ өрнегін ықшамдасаңыз, нәтижесі қандай болады?

  • $\sqrt{3}$ (correct)
  • $-3\sqrt{3}$
  • $-\sqrt{3}$
  • $3\sqrt{3}$

Егер $\frac{a^2 \cdot a^{-9}}{(a^{-3})^4}$ өрнегін ықшамдасаңыз, ол неге тең болады?

  • $a$
  • $a^5$ (correct)
  • $\frac{1}{a^5}$
  • $\frac{1}{a^{10}}$

Егер $\frac{\cos^2 18^\circ + \sin^2 18^\circ}{\cos^2 18^\circ} - 1$ өрнегін ықшамдасаңыз, нәтижесі қандай болады?

  • $\cos 18^\circ$
  • 1
  • $\cos^2 18^\circ$
  • 0 (correct)

$7x^5 + 3y^6 - 5xy^7 - 2$ көпмүшесінің дәрежесін анықтаңыз.

<p>9 (C)</p> Signup and view all the answers

$\frac{3}{y} = \frac{5}{y} + 1.2$ теңдеуін шешіңіз.

<p>3 (B)</p> Signup and view all the answers

$\begin{cases} 3x - 8y = -43 \ 4x + y = -34 \end{cases}$ теңдеулер жүйесінің шешімі қандай?

<p>(-9; 2) (D)</p> Signup and view all the answers

$\int \frac{1}{x-3} dx$ интегралын есептеңіз.

<p>$\ln |x-3| + C$ (D)</p> Signup and view all the answers

Егер конустың радиусы 3 есе артса, оның көлемі қанша есе артады (биіктігі өзгермейді)?

<p>9 есе (A)</p> Signup and view all the answers

Төмендегі теңсіздіктер жүйесінің ең үлкен бүтін шешімін табыңыз: $\begin{cases} |x + 5| < 10 \ \frac{x^2 - 4x + 3}{x^2 - 9} > 1 \end{cases}$

<p>-4 (B)</p> Signup and view all the answers

$\sin 2x \cdot \cos 2x = -\frac{1}{2}$ теңдеуін шешіңіз.

<p>$\frac{-\pi}{8} + \pi n, n \in \mathbb{Z}$ (D)</p> Signup and view all the answers

$f(x) = x^2 + \sqrt{2x + 5} - \sqrt{7}$ болғанда, функцияның туындысының $x_0 = -2$ нүктесіндегі мәнін табыңыз.

<p>-3 (C)</p> Signup and view all the answers

Төмендегі теңсіздікті шешіңіз: $\frac{2x - 9}{x - 5} > 0$.

<p>$(4.5; +\infty)$ (B)</p> Signup and view all the answers

Суреттегі үшбұрыштың ауданын табыңыз, егер $BC = 4$ (30°-қа қарсы катет гипотенузаның жартысына тең).

<p>$8\sqrt{3}$ (C)</p> Signup and view all the answers

Келесі интегралды есептеңіз: $\int (e^x + 2^x + 1) dx$.

<p>$e^x + \frac{2^x}{\ln 2} + x + C$ (A)</p> Signup and view all the answers

Конустың жасаушысы 2-ге тең және табанымен 30° бұрыш жасап көлбеген. Конустың табанының ауданын табыңыз.

<p>$3 \pi$ (B)</p> Signup and view all the answers

$\log_2(x + 1) + \log_2(x + 2) = 1$ теңдеуін шешіңіз.

<p>0 (B)</p> Signup and view all the answers

Төмендегі теңдеулер жүйесін шешіңіз: $\begin{cases} \log_4 x + \log_4 y = 1 \ y + 2x = 9 \end{cases}$

<p>(0,5; 8), (4; 1) (C)</p> Signup and view all the answers

$y = x^2 - 4x + 4$ және $y = 2x - 4$ функцияларымен және оның туындысымен шектелген фигураның ауданын табыңыз.

<p>1$ кв. бірлік (B)</p> Signup and view all the answers

Теңбүйірлі трапецияның табандары 20 және 12, ал өткір бұрышы 45°. Трапецияның ауданын табыңыз.

<p>64 (B)</p> Signup and view all the answers

Flashcards

Көпмүшенің дәрежесі

Көпмүшенің дәрежесі - оның мүшелерінің ең үлкен дәрежесі.

Интеграл

Интеграл - функцияның қисығы астындағы ауданды есептеу әдісі.

Теңсіздіктер жүйесі

Теңсіздіктер жүйесінің шешімі - барлық теңсіздіктерді қанағаттандыратын мәндер.

Туынды

Туынды - функцияның өзгеру жылдамдығын көрсетеді.

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Арифметикалық прогрессия

Арифметикалық прогрессия - әрбір келесі мүше алдыңғы мүшеге тұрақты санды қосу арқылы алынатын тізбек.

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Геометриялық прогрессия

Геометриялық прогрессия - әрбір келесі мүше алдыңғы мүшеге тұрақты санды көбейту арқылы алынатын тізбек.

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Study Notes

UBT-2024 Mathematics, Variant 1

  • Question 1: Calculate 10√3 - √48 - √75. The answer is √3.
  • Question 2: Simplify (a² * a⁻⁹)/(a⁻³)⁴. The answer is a⁵.
  • Question 3: Simplify (cos²18° + sin²18°)/cos²18° - 1. The answer is 0.
  • Question 4: Determine the degree of the polynomial 7x⁵ + 3y⁶ - 5xy⁷ - 2. The answer is 9.
  • Question 5: Solve the equation ³/y = ⁵/₉. The answer is 3.
  • Question 6: Solve the system of equations: 3x - 8y = -43 and 4x + y = -34. The answer is (-9, 2).
  • Question 7: Calculate the integral of 1/(x-3) dx. The answer is ln|x - 3| + C.
  • Question 8: If the radius of a cone increases 3 times, how many times does the volume increase? The answer is 9 times.
  • Question 9: Find the largest integer solution of the system of inequalities: |x + 5| < 10 and (x² - 4x + 3)/(x² - 9) > 1. The answer is -4.
  • Question 10: Solve the equation sin2x * cos2x = -½.
  • Question 11: Find the value of the derivative of the function y = x² + √(2x + 5) - √7 at the point x₀ = -2. The answer is -3.
  • Question 12: Solve the inequality (2x - 9)/(x + 1) > 0. The answer is (4.5; +∞).
  • Question 13: Find the area of the triangle in the figure. The answer is 8√3.
  • Question 14: Calculate the integral of ∫(eˣ + 2ˣ + 1) dx.
  • Question 15: The generatrix of the cone is 2 and makes an angle of 30° with the base. Find the area of the base of the cone.
  • Question 16: Solve the equation log₂(x + 1) + log₂(x + 2) = 1. The answer is -3.
  • Question 17: Solve the system of equations: log₄x + log₄y = 1 and y + 2x = 9.
  • Question 18: Find the area of ​​the figure bounded by the given function and its derivative: y = x² - 4x + 4 = (x - 2)² and y = 2x - 4. The answer is 1⅓.
  • Question 19: An isosceles trapezoid has bases of 20 and 12, and an acute angle of 45°. Find the area of ​​the trapezoid. The answer is 64.
  • Question 20: Arithmetic progression 6; 8; 10... and geometric progression 1; 2; 4... are given. There are 61 members in each. Find the number of members common to both. The answer is 4.
  • Question 21: If a(-3; 1), b(-1; 2) then find the length of the vector c = -2a + 4b.
  • Question 22: Find the value of the expression (x² - 4)/(x - 7) + (6x)/(x² - x - 42), where x = 1, y = -2.
  • Question 23: Find the product of the roots of the equation x^(log₇(x+1)) = log₇49.
  • Question 24: Solve the inequality √(2 + x) + √(2 - x) < 0. The answer is no solution.
  • Question 25: Find the equation of the tangent passing through point x₀ = 1 of the given function y = 2x² - x + 3. The answer is y = 3x + 1
  • Question 26: Arman is going to invite his friends to school for his birthday. They are: Aruzhan, Aisha, Daniyal and Miras. He made a cone-shaped hat for himself and his friends with H = 12 cm, R = 5 cm (materials needed to prepare one headgear: 1 A4 size: 29.7 cm * 21 cm paper, 8 cm long rubber band and colored ribbon). Find the area of the base of the cone (π = 3). The Answer is 75 cm².
  • Question 27: Find the side surface area of ​​the cone (π = 3) The answer is 195cm²
  • Question 28: If the height and radius of the headgear increase by 3 cm, by how much will the side surface increase? The answer is 71.
  • Question 29: If the edge of the headgear needs to be decorated with a shiny ribbon 1 cm wide, what is the length of the ribbon. The answer is 30.
  • Question 30: If the glass and hat are the same volume, how much water will one glass hold? The answer is 300.
  • Question 31: The quadratic function is given by the form y = (x - 2)² - 1. Match the coordinates of the parabola vertex, the zeros of the function, and their values.
  1. Zeros of the function
  2. Coordinates of the parabola vertex
  • Question 32: An isosceles trapezoid with radius 6 is circumscribed around a circle with radius 6. The side side of the trapezoid is 13. Match the intervals in which the values of the mid-line and height of the trapezoid lie.
  1. Midline
  2. Height
  • Question 33: Two natural numbers n and m are given, n > m in total 3, and the ratio of the sum of squares to their sum is 5. Match the range with their values.
  1. n numbers
  2. m the numbers
  • Question 34: Geometric progression Bₙ is given: b₃ = 10, b₆ = 80 Match the expressions below with their values.
  1. S₅
  • Question 35: SRQP square is given. Find the area if half of the sides are shaded.
  1. Area of entire square.
  2. Area of the shaded segment.
  • Question 36: Find the values of the expression. 3(z, 1) + (1.5, -4) - 6.2, where z = 1.
  • Question 37: Find the value of ctg30°.
  • Question 38: Aₙ is an arithmetic progression whose sum of the first 5 members is 15. Each following member is written twice. Find value of member 3 of progression.
  • Question 39: Find the solution to the following system of equations: (x₀, y₀) the beginning is equal? =.
  • Question 40: The volume of the ball is 2028 cm³ (π ≈ 3) The ball is wrapped in a leather material. Find the area used leather material?

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