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Recognizing Extraneous Solutions
Grade Level
PSAT Prep
077 Recognizing Extraneous Solutions
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For the system y = sqrt(2x + 3) and y = x - 6, squaring gives candidate points (3, -3) and (11, 5). Which point is extraneous?
A
both points
B
(11, 5)
C
neither point
D
(3, -3)
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