Respuesta :
The equation in the form ax² + bx + c of the quadratic equation with 7 and 2/5 as it root is x² - 33 / 5 x + 14 / 5
The root of the quadratic equation are 7 and 2/5 .
The equation should be written in the form
ax² + bx + c
where
a, b and c are integers.
Therefore,
x - (7) and x - 2/5
(x - 7)(x - 2/5)
open the bracket
x² - 2/5x - 7x + 14 / 5
x² - 33 / 5 x + 14 / 5
where
a = 1
b = -33 / 5
c = 14 / 5
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