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Quiz

Grade 9: Expressions, equations and inequalities

10 easy questions for grade 9, following the national curriculum: expressions, common factors, (x + a)(x + b), equations, inequalities, sequences.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. Which mathematician is the word “algebra” linked to?

2. 2x + 3x = ?

3. Factorise: 6x + 9 = ?

4. (x + 2)(x + 3) = ?

5. What is 3a − b when a = 2 and b = −4?

6. 2x − 5 = 9, x = ?

7. −2x + 4 = 10, x = ?

8. What is the solution of 2x + 1 ≤ 7?

9. Sequence: 3, 7, 11, 15, … What is the next term?

10. What is the nth term of 5, 8, 11, 14, …?