∑ DANEMATHICS
FREE CAPS MATHS RESOURCES
Grade 9 · Algebraic Expressions
Algebraic Fractions (Grade 9)
MEMORANDUM
Name:
Class:
Date:
Mark
/ 16
Answer all questions. Show all your working — marks are awarded for method as well as the final answer. Teacher copy: accept any correct equivalent method.
- 1Simplify: 6x²3x(2)2x✓✓ (2)
- 2Simplify: x² + 3xx(2)x(x+3)x = x + 3✓✓ (2)
- 3Simplify: 10a³5a(2)2a²✓✓ (2)
- 4Simplify: 2x3 × 94x²(2)18x12x² = 32x✓✓ (2)
- 5Simplify: x4 ÷ x2(2)x4 × 2x = 12✓✓ (2)
- 6Simplify: x2 + x3(2)5x6✓✓ (2)
- 7Simplify: 3x + 25(2)15 + 2x5x✓✓ (2)
- 8Why can you not cancel the x in x² + 3xx before factorising?(2)Because cancelling works only on factors, not on terms that are added. Factorise the top first.✓✓ (2)
TOTAL: 16 marks