Foundation June 2024 Paper 3 Q13
13 \(AB\) is a straight line.

Not drawn accurately
Is \(y\) half of \(x\)?
Tick a box.
- Yes
- No
Show working to support your answer. [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Alternative method 1: working separately | ||
| \(180 - 127\) or 53 | M1 | implied by 106 |
| \(360 - 90 - 163\) or 107 | M1 | oe implied by 53.5 |
| No and 106 and 107 or No and 53 and 53.5 or No and 53 and \(107 - 53 = 54\) | A1 | |
| Alternative method 2: starting with \(y\) | ||
| \(180 - 127\) or 53 | M1 | implied by 106 |
| \(360 - 90 - 2 \times\) their 53 or 164 or \(360 - 163 - 2 \times\) their 53 or 91 or \(2 \times\) their \(53 + 90 + 163\) or 359 | M1dep | oe |
| No and 164 or No and 91 or No and 359 | A1 | |
| Alternative method 3: starting with \(x\) | ||
| \(360 - 90 - 163\) or 107 | M1 | oe implied by 53.5 |
| \(180 -\) their \(107 \div 2\) or 126.5 or \(127 +\) their \(107 \div 2\) or 180.5 | M1dep | oe |
| No and 126.5 or No and 180.5 | A1 | |