State true or false.
x = - 1 is a zero of the quadratic polynomial $3 x^{2} + 7 x + 2$ .

True

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False

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Solution

The correct option is B
False

Substitute the value of $x = - 1$ in the given polynomial $3 x^{2} + 7 x + 2$ .
$\Rightarrow$ $3 (- 1)^{2} + 7 (- 1) + 2 = - 2$

Hence, x = - 1 is not a zero of the quadratic polynomial $3 x^{2} + 7 x + 2$ .

Suggest Corrections

Similar questions

State true or false.
$x = - 1$ is a zero of quadratic equation $3 x^{2} + 7 x + 2 = 0$ .

1 + x

p (x) = 3 x^{2} - 1, x = - \frac{1}{\sqrt{3}}, \frac{1}{\sqrt{3}}

3 x^{2} - 5 x + 9 = x^{2} - 7 x + 3

△ A B C

s i n (\frac{A + B}{2}) = c o s (\frac{C}{2})

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