Write the equation of the line that goes through (-4,13) and (8,49).
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Means compplete the square on one side
basically get into form
ok, group x terms
factor out linear coefient (-8)
take 1/2 of the linear coefient and square it
8/2=4, 4^2=16
add positive and negaitve of that inside parntheaese
factor perfect square
expand
in vertex form it is
basically get into form
ok, group x terms
factor out linear coefient (-8)
take 1/2 of the linear coefient and square it
8/2=4, 4^2=16
add positive and negaitve of that inside parntheaese
factor perfect square
expand
in vertex form it is