WebAn index number is a number which is raised to a power. The power, also known as the index, tells you how many times you have to multiply the number by itself. For example, 2 5 means that you have to multiply 2 by itself five times = 2×2×2×2×2 = 32. There are a number of important rules of index numbers: y a × y b = y a+b Examples 2 4 × 2 8 = 2 12 WebLevel 8-9 GCSE Type 1: Algebraically solving x^2\lt a^2 Example: Solve the inequality x^2 \lt 64 When solving quadratic inequalities it is important to remember there are two roots. If the question was solve x^2=a^2 we would simple take …

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Web22 apr. 2024 · Indices and surds Bundle. A collection of three worksheets. A worksheet on simplifying expressions with indices, a worksheet with harder questions on laws of … Websolving equations with indices gcse the rock vs stone cold gif

Using an index or power - Laws of indices - AQA - BBC Bitesize

WebBBC Bitesize Maths revision aimed at 14 year olds but very useful for basic maths; BBC Bitesize GCSE Revision website aimed at 16 year olds but great for basic maths. BBC … Web141K views 3 years ago Aiming for Grades 7-9 Maths Series A video revising the techniques and strategies surrounding the laws of indices, focusing on negative and fractional … WebSmall numbers can additionally live written in basic form. However, instead of the index being postive (in the up example, the index been 3), it ... Mathematics GCSE Revision. This video explains standard form: Example. Write 81 900 000 000 000 for standard form: 81 900 000 000 000 = 8.19 × 10 13. It’s 10 13 because to decimal point has been ... the rock vs sting