Mathematics · Oct / Nov 2024 · Paper 21 · Question 17
0580
As printed in the paper
The question as text
0580/21/O/N/24 © UCLES 2024 17 Solve. x x 3 7 16 0 2 Á Á ¡ You must show all your working and give your answers correct to 2 decimal places. x ¡ or x ¡ [4]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
[ ] ( [] ) ( )( ) −− ± − 2 − − 7 7 4 3 16 oe × 2 3 3.75 and –1.42 [7]
B2 B1 for ( [] ) ( ) − 2 − ( − ) 7 4 3) 16 or better + − p q p q and if in the form or then r r
B1 for p = – (–7) and r = 2(3)
B2 B1 for each
or SC1 for answers 3.8 or 3.754… and –1.4 or –1.42… or –1.421 or 3.75 and –1.42 seen in working or –3.75 and 1.42 as final answers
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.