Answered

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In the equation x^2 + mx + n = 0, m and n are integers.
The only possible value for x is –3. What is the value
of m ?
A. 3
B. –3
C. 6
D. –6
E. 9

Sagot :

konrad509
[tex]-3=-\frac{b}{2a}\\ -3=-\frac{m}{2}\\ -6=-m\\ m=6[/tex]

C
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