ECZ 2020 · O-Level Paper 2 · Question 3 — Computer and Calculator

Question from ECZ 2020 · O-Level Paper 2 · Question 3

(a) Solve the equation x² - x - 19 = 0, giving your answers correct to 2 decimal places.[5]

Verified working — step 1

Use the formula with a = 1, b = -1, c = -19.

(b) Study the flow chart below. Write a pseudo code corresponding to the flow chart programme above.[5]

Verified working — step 1

Translate the flowchart into pseudocode with nested decisions.

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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