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Algebra Quick Test June 2011 Put the numbers one to 12 down the page This is a speed test. We will then go through it together. 1. Simplify by collecting like terms a + a + 3a = 5a 2. Simplify by collecting like terms ab + ab+ 3ab = 5ab 3. Simplify by collecting like terms 4ab + 2a+ 3a = 4ab + 5a 4. Simplify by collecting like terms a2 + a2+ 3a2 = 1a2 + 1a2+ 3a2 = (1+1+3)a2 2 = 5a 5. Solve 3x = 10 x = 10/3 x = 3 1/3 or x = 3.3333333 or x = 3.3 recurring 6. Solve 2 a =9 a.a = 9 a=3 because 3x3=9 7. Solve 3x = 12 x = 12/3 x=4 8. Solve 3x = 2x + 6 3x – 2x = 6 x=6 9. Solve 3x – 6 = 2x + 6 3x – 2x = 6 + 6 x = 12 10. Solve 3x + 3 = 2x + 6 3x – 2x = 6 - 3 x=3 11. Solve 3x = 4x – 6 3x – 4x = -6 -x = -6 x=6 12. Solve 3x = 2x + 9 3x – 2x = 9 x=9