Graphs as Sets of Solutions
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What does it mean to "plot" a solution of an equation in two variables?
QUESTION
What is the meaning of the term "solution" to an equation in two variables?
QUESTION
What is the solution set description for the equation
x
2
+
y
2
=
9
x^2+y^2=9
x
2
+
y
2
=
9
?
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ANSWER
All points
(
x
,
y
)
(x,y)
(
x
,
y
)
with distance
3
3
3
from the origin. This describes a circle with radius
3
3
3
centered at origin.
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