Test yourself unit 2 foundation as
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The document provides mathematical formulas, terms, and concepts. It includes definitions for speed, indices, parallel lines, standard form, fractions, inequalities, and sequences. It also lists steps for operations like adding and subtracting fractions, multiplying fractions, dividing fractions, expanding brackets, factorizing, and changing the subject of a formula.
Test yourself unit 2 foundation as
- 1. Unit 2 For mulas Foundation
- 2. 10 % divide by 10
- 3. Estimate means round and workout!
- 4. The x axis is called y=0 The y axis is called x=0
- 5. Speed = distance ÷ time
- 6. The opposite of square is square root The opposite of cube is cube root
- 7. y x y = y²
- 8. y + y = 2y
- 9. Equation of a straight line is y = +/- gradient x +/- Intercept
- 10. The Rules of indices a4 x a5 = a9 a ÷ a 7 3 = a 4 (a 6 ) 3 = a 18
- 11. Parallel lines have the same gradient
- 12. A number in Standard Form is in two parts 3.6 x 10 6
- 13. To add and subtract fractions the denominators must be the same
- 14. To multiply fractions we multiply top by top bottom by bottom
- 15. Negative x negative = Positive Positive x negative = negative
- 16. To divide fractions we invert the second fraction and multiply
- 17. Solve means to find the value of x= or y=
- 18. Simplify means collect all the like terms.
- 19. Expand means remove the brackets
- 20. Factorise means put the brackets back in. Factor (outside bracket)
- 21. Change the subject means rearrange legally!!!
- 22. Expanding double brackets ( x + 4 )( x - 3 )
- 23. Order of Operations Brackets Indices division Multiplication Addition Subtraction
- 24. Inequalities treat like an equals
- 25. For sequences find the ‘goes up in’ and adjust.