What is the output of x^2 + 3x + 5, where x(variable) = -1? - Vidyadip

MCQ

What is the output of $x^2 + 3x + 5,$ where x(variable) $= -1?$

A
$1$
B
$2$
✓
$3$
D
$4$

✓

Answer

Correct option: C.

$3$

$x^2 + 3x + 5$
$= (-1)^2 + 3 × (-1) + 5$
$= 1 - 3 + 5$
$= 6 - 3$
$= 3$

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