ECZ 2015 · GCE Paper 2 · Question 1 — Algebra

Question from ECZ 2015 · GCE Paper 2 · Question 1

(a) Evaluate 2 14 + 4 12 ÷ 29.[2]

Verified working — step 1

Division comes before addition.

(b) Solve the equation x + 42 = 2x - 13.[2]

Verified working — step 1

Cross-multiply to clear the fractions.

(c) Simplify h² - k²h + k.[2]

Verified working — step 1

The numerator is a difference of two squares.

(d) Express K75.00 as a percentage of K50.00.[2]

Verified working — step 1

Compare K75 with K50 as a fraction, then convert.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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