Asked by Please Help
Find the value of the greater root of x2 + 14x + 45 = 0.
A) -9
B) -5
C) 5
D) 9
A) -9
B) -5
C) 5
D) 9
Answers
Answered by
Damon
[ -14 +/- sqrt( 196 - 180) ] /2
[ -14 + 4 ]/ 2 for the plus one
-10/2
[ -14 + 4 ]/ 2 for the plus one
-10/2
Answered by
Please Help
Thank you Damon! It was D)
Answered by
Damon
well,D is greater in magnitude but is more negative :)
Answered by
henry2,
x^2+14x+45 = 0. 45 = 9*5. 9+5 = 14 = B.
(x+9)(x+5) = 0
x+9 = 0. X = -9.
x+5 = 0. X =
(x+9)(x+5) = 0
x+9 = 0. X = -9.
x+5 = 0. X =
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