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kevingretzky
 3 years ago
use the quadratic formula to find any xintercepts on the graph of the equation.
y=x^2  8x 1
x=?
kevingretzky
 3 years ago
use the quadratic formula to find any xintercepts on the graph of the equation. y=x^2  8x 1 x=?

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mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0set y =0, and solve the quadratic equation

ZeHanz
 3 years ago
Best ResponseYou've already chosen the best response.0Set a=1, b=8 and c=1 in the QF.

mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0\[x=4+\sqrt{17} or x=4\sqrt{17}\]

mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0you need to use the quadratic formula

mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0\[x=\frac{ b \pm \sqrt{b^24ac} }{ 2a }\]

mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0so the final answer would be

mathsmind
 3 years ago
Best ResponseYou've already chosen the best response.0\[(4+\sqrt{17}, 0) and (4\sqrt{17}, 0)\]

kevingretzky
 3 years ago
Best ResponseYou've already chosen the best response.08 square root 68 over 8?

kevingretzky
 3 years ago
Best ResponseYou've already chosen the best response.0so am i right? it is over 4
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