Match the differential equation with its direction field. y' = 9(x + y) - 1 15 0.1+ -4.31 -0.2 -Q.1 0.1- -0.2, /0,3 -0.3- -0.2 -0.1 -0.1-0.2- 0.3- 0.1 I|| I La2 0.3 -2 1) 2) 3) 4) Give reasons for your answer. y' = 9(x + y) - 1 = 0 on the lines x = 0 and y = 0, and y' > 0 for 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Match the differential equation with its direction field.
y' = 9(x + y) - 1
|
y
y
y
y
0.3
15
0:2 /
0:2+
0.1+
0:1-
/// / //
-Q.3) -Q.21 -Q.1\ \
01- -0.2 /0,3 /
-0.3- -0.2- -0.1-
0.1
1- -0.2 - -0.3
//// ////
-0:1-
مر م م مر محر
//// ///// /
//// //// //
<0:2-
//// ////
//// ///
///
-0:3+
1)
-2
-1
2
-1
1
2)
う)
4)
Give reasons for your answer.
o y' = 9(x + y) – 1 = 0 on the lines x = 0 and y = 0, and y'> 0 for 0 < x < r/9, 0 < y < n/9.
y' = 9(x + y) – 1 = 0 on the line y = -x + 1/9, and y' = -1 on the line y = -x.
y' = 9(x + y) – 1 = 0 on the lines x = 0 and y = 9.
The slopes at each point are independent of x, so the slopes are the same along each line parallel to the x-axis. Note that for y = 9, y' = 0.
The slopes at each point are independent of y, so the slopes are the same along each line parallel to the y-axis. Note that for y = 9, y' = 0.
%3D
Transcribed Image Text:Match the differential equation with its direction field. y' = 9(x + y) - 1 | y y y y 0.3 15 0:2 / 0:2+ 0.1+ 0:1- /// / // -Q.3) -Q.21 -Q.1\ \ 01- -0.2 /0,3 / -0.3- -0.2- -0.1- 0.1 1- -0.2 - -0.3 //// //// -0:1- مر م م مر محر //// ///// / //// //// // <0:2- //// //// //// /// /// -0:3+ 1) -2 -1 2 -1 1 2) う) 4) Give reasons for your answer. o y' = 9(x + y) – 1 = 0 on the lines x = 0 and y = 0, and y'> 0 for 0 < x < r/9, 0 < y < n/9. y' = 9(x + y) – 1 = 0 on the line y = -x + 1/9, and y' = -1 on the line y = -x. y' = 9(x + y) – 1 = 0 on the lines x = 0 and y = 9. The slopes at each point are independent of x, so the slopes are the same along each line parallel to the x-axis. Note that for y = 9, y' = 0. The slopes at each point are independent of y, so the slopes are the same along each line parallel to the y-axis. Note that for y = 9, y' = 0. %3D
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