1. a) Identify the following equations as linear, quadratic or neither. i) y = -x? - 4x + 2 ii) y = 9x - 8 iii) y = (2 - x)? iv) y = 9x² - 8
1. a) Identify the following equations as linear, quadratic or neither. i) y = -x? - 4x + 2 ii) y = 9x - 8 iii) y = (2 - x)? iv) y = 9x² - 8
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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Transcribed Image Text:1. a) Identify the following equations as linear, quadratic or neither.
i) y = -x? - 4x + 2
ii) y = 9x - 8
iii) y = (2 - x)?
iv) y = 9x? - 8
b) Justify how to recognize which equation above is quadratic.
2. Determine if the following table of values is linear, quadratic or neither.
y
-36
-3
-2
-15
-1
-6
-3
2
9
3
30
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