Give three examples of the expressions:

(i) containing one variable

(ii) containing two variables

(iii) containing two terms. [4 MARKS]

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Solution

Concept: 1 Mark
Application: 1 Mark each

$(i) 4 x; 5 x + 2; 4 x^{2} + 4 x + 2$

$(i i) x + y; 5 x - 3 y; 4 x^{2} y^{2} + 4 x^{2} y + 5 y + 2$

$(i i i) 5 x - 4 y; 4 a^{2} + 5 b^{2}; 10 y + 2$

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