Use the graphical method to solve for a & b in the following system of equations to the nearest tenth. Verify by plugging solutions back into the original system. (1) → 5.2a + 4.6b = 44.2 & (2) → 15a-7.7b = 54

Use the graphical method to solve for a & b in the following system of equations to the nearest tenth. Verify by plugging solutions back into the original system. (1) → 5.2a + 4.6b = 44.2 & (2) → 15a-7.7b = 54

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

We will be using Mathcad to do these problems, seeing them worked through on paper would be helpful

Use the graphical method to solve for a & b in the following system of equations
to the nearest tenth. Verify by plugging solutions back into the original system.
(1) → 5.2a + 4.6b = 44.2
(2) → 15a-7.7b = 54
&

Expert Solution

Step 1

We are to use the graphical method to solve for a & b in the following system of equations to the nearest tenth.

$5.2 a + 4.6 b = 44.2 \to (1) 15 a - 7.7 b = 54 \to (2)$

Let us take a=x , b=y

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