IvyLudemann659 IvyLudemann659
  • 11-06-2014
  • Mathematics
Answered

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

Answer :

konrad509
konrad509 konrad509
  • 11-06-2014
[tex]-3=-\frac{b}{2a}\\ -3=-\frac{m}{2}\\ -6=-m\\ m=6[/tex]

C
Answer Link

Other Questions

Who was a leader in the womens suffrage movement Points 3 Hamlin Garland Susan B Anthony WEB Du Bois Helen Kendrick Johnson
what does the off center rectangle mean in the picture
Tina bought some nail polish and lip gloss at the store The nail polish cost 450 per bottle and lipgloss cost 7 per tube Tina bought 9 items and spent 5050 how
What do the lines All my legs shout mean in I Have Ten Legs A The speakers legs sometimes get her into trouble B The speakers legs make a lot of noise C The spe
Read this line from the passage All may run smoothly for a while then storms gather about the head of the child of fortune What does Charles mean when he makes
where does the number 1024 come from in mb to gb cinverter
1 a dictionary measures 24 centimeters by 20 centimetersthe ration of its length to its width is about to 1explain4 a ruler is 30 centimeters long and 25 centim
what is 36x9y44x7y3
What is the sin cos and tan of 495 degrees and 20π3
what number is 75 of 8yUse a proportion to answer the question in terms of y