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GCSE Maths
GCSE Maths Revision Cards
Question | Answer |
---|---|
1. work out 5 + 2 x 3 | 11 |
2. expand (x + 1)(x + 3) | X^2 + 4x + 3 |
3. expand (x-1)(x+4) | x^2+3x-4 |
4. simplify 14x - 3x | 11x |
5. simplify 5a + 17a -18a | 4a |
6. simplify 3b x 2b / 6b | b |
7. solve for x (x -4)^2 = 9 | x = 7, x = 1 |
8. write 549000 in standard form? | 5.49 x 10^5 |
9. write 0.0000431 in standard form | 4.31 x 10^-5 |
10. work out the side of the right angle triangle whose sides are a= 12 b = 8 c = ? | c = 8.94 |
11. work out the angle of a right angle triangle whose opposite side is 7 and hypotenuse is 12? | 35.69 |
12. work out the interior angle of a regular decagon (10 sided regular polygon) | 144 |
13. what is the exterior angle of a regular decagon | 36 |