Suppose f(x) = ³ + 6x2 + Be +78, where B is an integer. Assume 2³ +6x² + Bx + 78 ha one rational root, and that the graph of y = f(x) is shown below.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Suppose f(x) = ³ + 6x² + Bx +78, where B is an integer. Assume x³ +6x² + Bx + 78 has at least
one rational root, and that the graph of y= f(x) is shown below.
20 -15 -10
The x-intercept of y=z³ +6z² + Br +78 is
the -intercept)
10
The y-intercept of y = x³ + 6x² +Ba+78 is
the y-intercept)
Solve f(x) = 0. Find all solutions.
x
commas)
15 20
Q
(enter the coordinates of
(enter the coordinates of
(If there is more than one solution, separate the solutions with
Transcribed Image Text:Suppose f(x) = ³ + 6x² + Bx +78, where B is an integer. Assume x³ +6x² + Bx + 78 has at least one rational root, and that the graph of y= f(x) is shown below. 20 -15 -10 The x-intercept of y=z³ +6z² + Br +78 is the -intercept) 10 The y-intercept of y = x³ + 6x² +Ba+78 is the y-intercept) Solve f(x) = 0. Find all solutions. x commas) 15 20 Q (enter the coordinates of (enter the coordinates of (If there is more than one solution, separate the solutions with
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