leagueoflegends leagueoflegends

21-08-2016
Mathematics

Answered

How do you work this out? need help asap

How do you work this out? need help asap class=

Verified Answer :

21-08-2016

Hello,

Line 1 is passing through (-4,3), (-2,7) has a slope of (3-7)/(-4+2)=2

Line 2 is passing through (2,9), (4,1) has a slope of (9-1)/(2-4)=-4

One other way:

y=9-1/2 x²
y'=-x

gradient 1=-(-2)=2 for point (-2,7)

gradient 2=-(4)=-4 for point(4,1)

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