1MA0 Higher March 2013 Paper 1 Q9
9
(a) Simplify \(a^4 \times a^5\) (1)
(b) Simplify \(\dfrac{45e^6f^8}{5ef^2}\) (2)
(c) Write down the value of \(9^{\frac{1}{2}}\) (1)
| Answer | Mark | Notes |
|---|---|---|
| \(a^9\) | 1 | B1 for \(a^{4+5}\) or \(a^9\) |
| Answer | Mark | Notes |
|---|---|---|
| \(9e^5f^6\) | 2 | B2 cao (B1 for two of 9, \(e^{6-1}\), \(f^{8-2}\) as a product) |
| Answer | Mark | Notes |
|---|---|---|
| 3 | 1 | B1 (accept \(\pm 3\) but not just \(-3\)) |