ECZ 2023 · GCE Paper 2 · Question 5 — Computer and Calculator
Question from ECZ 2023 · GCE Paper 2 · Question 5
(a) The program below is given in the form of a pseudocode. 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 Draw a corresponding flowchart for the information given above.[5]
Verified working — step 1
Translate each pseudocode line into one flowchart symbol.(b) Solve the equation 8x2 - 9x + 2 = 0, giving your answers correct to 2 decimal places.[5]
Verified working — step 1
Use the formula with a = 8, b = -9, c = 2.The 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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