3 years ago

Find the value of k such the -2/3 is the zero of the function f(x)=4x+k/7

1 answer:

3 0

$f(x)=4x+k/7\\
f(- \frac{2}{3} )=- \frac{8}{3} +k/7=0\quad\Rightarrow\quad k= \frac{56}{3}$

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