Algebraic Formulae (Set 2)

  • For each question, choose the most suitable answer.
    • 1. If <i>f</i> = `@1/v + 1/u@`, then <i>u</i> =
      • A) `@v/{1-fv} @`
      • B) `@v/{fv + 1} @`
      • C) `@v/{f - v} @`
      • D) `@v/{fv - 1} @`
    • 2. The formula to change the temperature from &deg;C to &deg;F is C=`@5/9@`(F-10). <br/>If the temperature of a liquid is 50&deg;, the temperature of the liquid in &deg;F is
      • A) 50
      • B) 100
      • C) 122
      • D) 152
    • 3. The area of the diagram above is L `@cm^2@`, then <i>x</i> =
      • A) `@ {2L}/y - t @`
      • B) `@y/t - 2L@`
      • C) `@t/{2L} - y@`
      • D) `@ {2L}/t - y@`
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