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hba
 3 years ago
A possible interval of values of k for which the equation (x+k)x=4,have two real solutions is :
hba
 3 years ago
A possible interval of values of k for which the equation (x+k)x=4,have two real solutions is :

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Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0(x+k)x=4 x^2 + kx + 4 = 0

tcarroll010
 3 years ago
Best ResponseYou've already chosen the best response.0First, rearrange the equation into the form ax^2 + bx + c = 0 after expanding the original equation.

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0For two real solutions b^2  4ac > 0

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.0x^2 + kx + 4 = 0 k^2  16 > 0
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