Warm-up (Math Test Grade 2)

数検2級

Practice questions

  1. What is the minimum value of the quadratic function y = x² - 4x + 1?

    • -3
    • 0
    • -4
    • 1
  2. What is the 5th term of the geometric sequence 2, 6, 18, 54, ...?

    • 324
    • 162
    • 486
    • 108
  3. If a die is rolled 2 times, what is the probability that a 1 comes up at least once?

    • 1/6
    • 11/36
    • 12/36
    • 5/6
  4. What is the 6th term of the geometric sequence 3, 6, 12, 24, ...?

    • 384
    • 96
    • 192
    • 48
  5. What is the sum of the first 4 terms of the geometric sequence 4, 12, 36, 108, ...?

    • 180
    • 160
    • 220
    • 240