meorifaust meorifaust

28-12-2020
Mathematics

contestada

Suppose 3 is a root of the quadratic equation ax² – 2x – 21 = 0. Find the value of a and hence find the other
root of the equation.

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rebeccarayshma rebeccarayshma

28-12-2020

Answer:

a = 3

the other root = -7/3

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