Question

(ii) -1/3 is a zero of 3x+1 true/ false
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Answer 1

$\huge\tt\colorbox{blue}{Answer}$

$3x + 1 = 0 \\ 3x = - 1 \\ x = \frac{ - 1}{3} \\ \\ yes \: \frac{ - 1}{3} \: is \: a \: zero \: of \: 3x + 1$

Answer 2

$\huge\tt\colorbox{pink}{Solution}$

3x+1=0

3x=−1

$x = \frac{ - 1}{3}$

$➨yes,\frac{-1}{-3}\:is\: a\:zero\: of\: 3x+1$