ECZ 2023 · GCE Paper 2 · Question 5 — Computer and Calculator
Pseudocode given: Begin; Enter n; IF n < 0 THEN Display 'error n must be positive' ELSE sum = n2* [2*a + (n - 1)*d]; ENDIF; Display sum; End.
(a) Draw a corresponding flowchart for the information given above.[5]
Verified working — step 1
Flowchart:(b) Solve the equation 8x2 - 9x + 2 = 0, giving your answers correct to 2 decimal places.[5]
Verified working — step 1
8x2 - 9x + 2 = 0The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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