Math Test Grade 3: step up

数検3級

Practice questions

  1. What is the x-intercept of the linear function y = -3x + 6?

    • x = -6
    • x = 2
    • x = 6
    • x = -2
  2. Expand (x - 4)².

    • x²+8x+16
    • x²-8x+16
    • x²-4x+16
    • x²-8x-16
  3. The linear function y = 2x + 5 passes through the point (a, 11). What is the value of a?

    • 4
    • 3
    • 2
    • 1
  4. What is the y-intercept of the linear function y = -2x + 6?

    • 6
    • -2
    • 2
    • 3
  5. Simplify (x + 5)² - (x + 1)(x - 1).

    • 10x+26
    • x²+10x+24
    • 8x+26
    • 8x+24