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Multiple choice

Which of the following expressions represents the value of $\frac{7x^2 + 2x + 5}{x+5}$ at x = – 1?

  1. -1

  2. $\frac{7}{2}$
  3. $\frac{5}{3}$
  4. $\frac{5}{2}$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\frac{7x^2 + 2x + 5}{x+5}$ = $\frac{7(-1)^2 + 2(-1) + 5}{(-1)+5} = \frac{7-2 + 5}{4}$= $\frac{5}{2}$.

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