Q. What is the derivative of f(x) = x^2 * sin(x)? (2023)
  • A. 2x * sin(x) + x^2 * cos(x)
  • B. 2x * cos(x) + x^2 * sin(x)
  • C. 2x * sin(x) - x^2 * cos(x)
  • D. x^2 * sin(x) + 2x * cos(x)
Q. What is the derivative of f(x) = x^3 * e^x?
  • A. 3x^2 * e^x + x^3 * e^x
  • B. x^3 * e^x
  • C. 3x^2 * e^x
  • D. x^3 * e^(x+1)
Q. What is the derivative of f(x) = x^3 * ln(x)? (2023)
  • A. 3x^2 * ln(x) + x^2
  • B. 3x^2 * ln(x) + x^3/x
  • C. 3x^2 * ln(x) + 3x^2
  • D. 3x^2 * ln(x) + 1
Q. What is the derivative of f(x) = x^3 - 4x + 7? (2021)
  • A. 3x^2 - 4
  • B. 3x^2 + 4
  • C. x^2 - 4
  • D. 3x^2 - 7
Q. What is the derivative of f(x) = x^3 - 6x^2 + 9x?
  • A. 3x^2 - 12x + 9
  • B. 3x^2 - 6x + 9
  • C. 6x - 12
  • D. 3x^2 - 9
Q. What is the derivative of f(x) = x^4 - 6x^2 + 9? (2022)
  • A. 4x^3 - 12x
  • B. 4x^3 + 12x
  • C. 2x^3 - 6x
  • D. 2x^3 + 6x
Q. What is the derivative of the function f(x) = 3x^2 + 5x - 7? (2021)
  • A. 3x + 5
  • B. 6x + 5
  • C. 6x - 5
  • D. 3x^2 + 5
Q. What is the determinant of a 1x1 matrix [[5]]? (2021)
  • A. 0
  • B. 5
  • C. 10
  • D. 1
Q. What is the determinant of a 2x2 matrix A = [[a, b], [c, d]]? (2021)
  • A. ad - bc
  • B. ab + cd
  • C. ac + bd
  • D. ad + bc
Q. What is the determinant of a 2x2 matrix [[a, b], [c, d]]? (2020)
  • A. ad - bc
  • B. ab + cd
  • C. ac - bd
  • D. bc - ad
Q. What is the determinant of the matrix E = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix H = [[1, 1, 1], [1, 2, 3], [1, 3, 6]]?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix \( E = \begin{pmatrix} 1 & 1 & 1 \\ 1 & 2 & 3 \\ 1 & 3 & 6 \end{pmatrix} \)? (2023)
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the determinant of the matrix \( J = \begin{pmatrix} 5 & 6 \\ 7 & 8 \end{pmatrix} \)? (2021)
  • A. -2
  • B. 2
  • C. 3
  • D. 4
Q. What is the direction of the magnetic field around a current-carrying conductor? (2019)
  • A. From North to South
  • B. From South to North
  • C. Clockwise
  • D. Counterclockwise
Q. What is the directrix of the parabola defined by the equation y^2 = 20x?
  • A. x = -5
  • B. x = 5
  • C. y = 5
  • D. y = -5
Q. What is the distance between the points (0, 0) and (3, 4)?
  • A. 5
  • B. 4
  • C. 3
  • D. 6
Q. What is the distance between the points (0, 0) and (8, 6)?
  • A. 10
  • B. 12
  • C. 14
  • D. 8
Q. What is the distance between the points (0, 0) and (x, y) where x = 3 and y = 4? (2022)
  • A. 5
  • B. 4
  • C. 3
  • D. 6
Q. What is the distance between the points (2, 3) and (6, 7)?
  • A. 5
  • B. 6
  • C. 4
  • D. 7
Q. What is the distance between the points (3, 2) and (3, -2)?
  • A. 4
  • B. 5
  • C. 6
  • D. 3
Q. What is the distance between the points (3, 7) and (3, 1)?
  • A. 6
  • B. 5
  • C. 4
  • D. 3
Q. What is the distance between the points (5, 5) and (1, 1)?
  • A. 4√2
  • B. 5√2
  • C. 6
  • D. 7
Q. What is the distance between the points (6, 8) and (6, 2)?
  • A. 6
  • B. 5
  • C. 4
  • D. 3
Q. What is the effect called when sound waves spread out after passing through a narrow opening? (2019)
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Interference
Q. What is the effect of adding a base to a solution of a weak acid?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No change in pH
  • D. Increase in temperature
Q. What is the effect of adding a base to a solution of hydrochloric acid?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Formation of salt only
Q. What is the effect of adding a base to an acidic solution?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Formation of salt only
Q. What is the effect of adding a strong acid to a solution of a weak base?
  • A. Increase in pH
  • B. Decrease in pH
  • C. No effect
  • D. Increase in conductivity
Q. What is the effect of deforestation on local climate?
  • A. Increased rainfall
  • B. Decreased temperature
  • C. Increased temperature
  • D. No effect
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