Warm-up (Math Test Grade 2)
数検2級
Practice questions
What is the minimum value of the quadratic function y = x² - 4x + 1?
- -3
- 0
- -4
- 1
What is the 5th term of the geometric sequence 2, 6, 18, 54, ...?
- 324
- 162
- 486
- 108
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
What is the 6th term of the geometric sequence 3, 6, 12, 24, ...?
- 384
- 96
- 192
- 48
What is the sum of the first 4 terms of the geometric sequence 4, 12, 36, 108, ...?
- 180
- 160
- 220
- 240
Previous and next lessons in this course
- Next lesson: Fix the mistake: Basic Plane Vectors