Question

if x=2 is the zero of the f(x) = 2x² - 3x + 7a, find the value of a.

Answer 1

Answer:

a=-2/7

Step-by-step explanation:

We know that, 2 is the zero of f(x).

f(2)=2(2)²-3(2)+7a

=8-6+7a

=2+7a

Therefore, a=-2/7.

Answer 2

Answer:

$f(x) = 2x^{2} - 3x + 7a$

$f(2) = 2(2)^{2} - 3(2) + 7a$

$= 8 - 6 + 7a$

$= 2 + 7a$

$2 + 7a = 0$

$7a = - 2$

$a = \frac{ - 2}{7}$

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