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zngaines
zngaines zngaines
  • 06-07-2016
  • Mathematics
Answered

What do a the value of k?

What do a the value of k? class=

Verified Answer :

caylus
caylus caylus
  • 08-07-2016

Hello,
g(x) is passing through (0,6) and (2,-2)
==>y-6=(-2-6)/(2-0)(x-0)
==> y=-4x+6

f(x) is passing through (0,-3) and (2,1)
==>y+3=(1+3)/(2-0)(x-0)
==>y=2x-3

g(x)=k*f(x)
==> -4x+6=k(2x-3)
2kx=-4x==>k=-4x/(2x)=-2
and
-3k=6==>k=6/(-3)=-2

==>k=-2


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