anonymous
  • anonymous
use the quadratic formula to find any x-intercepts on the graph of the equation. y=x^2 - 8x -1 x=?
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
set y =0, and solve the quadratic equation
anonymous
  • anonymous
\[x ^{2}-8x-1=0\]
ZeHanz
  • ZeHanz
Set a=1, b=-8 and c=-1 in the QF.

Looking for something else?

Not the answer you are looking for? Search for more explanations.

More answers

anonymous
  • anonymous
\[x=4+\sqrt{17} or x=4-\sqrt{17}\]
anonymous
  • anonymous
yup exactly
anonymous
  • anonymous
you need to use the quadratic formula
anonymous
  • anonymous
\[x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }\]
anonymous
  • anonymous
so the final answer would be
anonymous
  • anonymous
\[(4+\sqrt{17}, 0) and (4-\sqrt{17}, 0)\]
anonymous
  • anonymous
8 square root 68 over 8?
anonymous
  • anonymous
yup
anonymous
  • anonymous
is it over 4?
anonymous
  • anonymous
if a =1 yes
anonymous
  • anonymous
so am i right? it is over 4
anonymous
  • anonymous
over 2x1

Looking for something else?

Not the answer you are looking for? Search for more explanations.