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Class 8 · Algebra

Algebraic Expressions — test yourself

Twelve questions on the names of expressions, the degree of a term, putting numbers back in for the letters, and adding, subtracting and multiplying expressions. Everything here is taught in the course.

12 questions, one mark each. 8 to pass. Suggested time: 10 minutes. Your answers are not recorded.

  1. Which of these expressions is a trinomial?
  2. What is the degree of a4ba^{4}b?
  3. Find the value of 4x4x when x=2x = 2.
  4. Add 4x4x and 9x9x.
  5. What is 3x×5y3x \times 5y?
  6. Multiply out 5(x+2)5(x + 2).
  7. Which of these is NOT a polynomial?
  8. What is the degree of x2y3+x4+5x^{2}y^{3} + x^{4} + 5?
  9. Find the value of x2+5x^{2} + 5 when x=6x = 6.
  10. Subtract 2a+12a + 1 from 6a+96a + 9.
  11. Find the value of 10−y10 - y when y=−3y = -3.
  12. Find the product (x+5)(x+2)(x + 5)(x + 2).
Unanswered questions are marked wrong.