Directions: Determin coordinate plane. x² + y? = 49
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:coordinate plane.
x² + y² = 49
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Transcribed Image Text:22. What is the equation of a circle with the center at origin and a radius of 3 units?
a. x² + y? = 9
b. x² + y² = 3
c. x² – y? = 9
d. x² – y2 = 3
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23. What is the equation of a circle with the center at origin and a radius of 5 units?
a. x² + y? = 5
b. x² + y² = 25
c. x² – y? = 5
d. x? – y? = 25
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