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Grade 12Algebra

please answer fast …......................................
y-intercept of the circle x^2+y^2+4x+8y-5=0 is???

Profile image of Mrunal Sonawane
7 Years agoGrade 12
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer7 Years ago
Dear student
 
y – intercept is defined as = 2 sqrt(f2 – c) = 2 sqrt (16 + 5) = 2 sqrt(21)
 
Hope it helps
 
Regards
Arun (askIITians forum expert)