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Find center and radius from a circle equation
Grade Level
SAT Prep
M273 Find center and radius from a circle equation
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In standard form, a circle is represented by (x + 7/4)
2
+ (y + 11/4)
2
= 15. Which answer correctly gives the circle's center and radius?
A
center (-7/4, -11/4), radius sqrt(15)
B
center (7/4, 11/4), radius 15
C
center (7/4, 11/4), radius sqrt(15)
D
center (-7/4, -11/4), radius 15
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