September 2024 National Unified Academic Achievement Test (Grade 10)

Exams by Grade · K10 · Author: jaeinpark

0 / 19 solved0 correct
  1. Q1
    For two polynomials and , what is the simplified form of ?
  2. Q2
    For the complex number , what is the value of ? (where and is the complex conjugate of )
  3. Q3
    When the equation is an identity in , what is the value of for the two constants and ?
  4. Q4
    When the distance between two points A(1,3) and B(2,a) on the coordinate plane is , what is the value of the positive number ?
  5. Q5
    For two points A(1,2) and B(a,b) on the coordinate plane, if the point that divides line segment AB internally in the ratio 1:2 has coordinates (2,3), what is the value of a+b?
  6. Q6
    The quadratic equation in has two distinct roots and . When , what is the value of the constant ?
  7. Q7
    When the solution to the quadratic inequality is , what is the value of for the two constants and ?
  8. Q8
    When the y-intercept of a line passing through the point and perpendicular to the line is , what is the value of the constant ?
  9. Q9
    When the polynomial is factored as , what is the value of for the two constants ?
  10. Q10
    There is a line that passes through the point and has slope . When the distance between the origin and line is , what is the value of positive ?
  11. Q11
    When the quadratic equation in always has a double root regardless of the value of real number , what is the value of for the two constants ?
  12. Q12
    What is the sum of all real values of such that the cubic equation in has exactly distinct real roots?
  13. Q13
    A polynomial satisfies the following conditions. (a) When is divided by , the quotient and remainder are equal. (b) is divisible by . When the remainder of dividing by is , what is the value of ?
  14. Q14
    When the polynomial in is divided by , the remainder is . Find the value of the constant .

    Subjective Answer

  15. Q15
    Find the number of all integers that satisfy the system of inequalities

    Subjective Answer

  16. Q16
    When the line is translated by units in the direction of the -axis, and this translated line is tangent to the graph of the quadratic function , find the value of the constant .

    Subjective Answer

  17. Q17
    As shown in the figure, let point on the coordinate plane be reflected across the line to get point , and let point be reflected across the -axis to get point . When the radii of the circumcircles of triangles and are and respectively, . Find the value of for the constant . (Note: is the origin.)

    Subjective Answer

  18. Q18
    A quadratic function with a positive leading coefficient has a graph that intersects the -axis at two points and , and intersects the -axis at point . Let be the vertex of the graph of the quadratic function , and let and be the feet of the perpendiculars dropped from points and to line , respectively. When quadrilateral is a square, find the value of .

    Subjective Answer

  19. Q19
    For two real numbers and , there is a quadratic function . There are distinct circles whose centers lie on the graph of the function and are simultaneously tangent to the line and the -axis. When the -coordinates of the centers of these three circles are , , and respectively, the three real numbers , , and satisfy the following conditions. (a) (b) The -coordinate of the centroid of the triangle with vertices at , , is . Find the value of .

    Subjective Answer