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georgejafacules
Group Title
Find the type and number of solutions for the equation.
x^2  4x = 4
A)one distinct real solution
B)two distinct real solutions
C) two distinct nonreal complex solutions
 2 years ago
 2 years ago
georgejafacules Group Title
Find the type and number of solutions for the equation. x^2  4x = 4 A)one distinct real solution B)two distinct real solutions C) two distinct nonreal complex solutions
 2 years ago
 2 years ago

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zepdrix Group TitleBest ResponseYou've already chosen the best response.2
Write it in that nice quadratic form first of all! c: \[x^2 4x + 4 = 0\] then lets see.. hmmmm
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.2
looks like it is a nice perfect square, doesn't it? c: do ya see it?? :D
 2 years ago

georgejafacules Group TitleBest ResponseYou've already chosen the best response.0
yeh
 2 years ago

georgejafacules Group TitleBest ResponseYou've already chosen the best response.0
but what does that mean?
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.2
the equation simplifies really nicely to\[(x2)^2 = 0\] so hmm solving for x.. we can square both sides of this equation.
 2 years ago

georgejafacules Group TitleBest ResponseYou've already chosen the best response.0
so would it be A?
 2 years ago

zepdrix Group TitleBest ResponseYou've already chosen the best response.2
ya that sounds right c: x=2 is the only solution
 2 years ago

febylailani Group TitleBest ResponseYou've already chosen the best response.0
(x2)(x2)=0 x=2 :)
 2 years ago
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