tclifford1313 tclifford1313

27-09-2016
Mathematics

Answered

The intercepts of the equation x^2 + 4y^2 = 16 are ___

PLEASE HELP

Verified Answer :

apologiabiology apologiabiology

01-10-2016

yintercepts are where x=0
set to zero to solve

0^2+4y^2=16
4y^2=16
divide 4
y^2=4
sqrt both sides
y=+/-2

xintercept is where y=0

x^2+4(0)^2=16
x^2+0=16
x^2=16
sdqrtboth sides
x=+/-4

yintercepts are (0,2) and (0,-2)
xintercepts are (4,0) and (-4,0)

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