Math Test Grade 2: 5-question challenge

数検2級

Practice questions

  1. How many ways are there to choose 3 people from 5, i.e., the combination C(5,3)?

    • 60
    • 10
    • 20
    • 30
  2. What are the coordinates of the vertex of the quadratic function y = x² + 6x + 5?

    • (-3, -4)
    • (-3, 4)
    • (-6, 5)
    • (3, 32)
  3. What is the value of P(5,2), the number of ways to choose 2 people from 5 and arrange them in order?

    • 30
    • 20
    • 40
    • 10
  4. What is the maximum value of the quadratic function y = -x² + 4x + 1?

    • 3
    • 5
    • 4
    • 6
  5. What is the minimum value of the quadratic function y = 3x² - 12x + 7?

    • -3
    • -5
    • -4
    • -7