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Higher November 2020 Unit 2 Q4

4.

(a) Which one of the following options describes \(2x + 5y\) ?
Circle your answer. [1]

an equation     a formula     an expression

an inequality     none of these

(b) Which one of the following options describes \(3x - 2 = 7\) ?
Circle your answer. [1]

an equation     a formula     an expression

an inequality     none of these