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Evaluating Linear Functions

Evaluating Linear Functions

Secondary 1

The equation of a function is \(y=-\frac{1}{2}x-3\) . Find

  1. the value of \(y\) when
    1. \(x=-2\)
    2. \(x=2\frac{3}{5}\)
  2. the value of \(x\) when
    1. \(y=-8\)
    2. \(y=-\frac{5}{8}\)

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Answer:(a)(i) \(-2\) (a)(ii) \(-4\frac{3}{10}\) (b)(i) \(10\) (b)(ii) \(-4\frac{3}{4}\)

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