anonymous
  • anonymous
\[f(x)=2(x-2)^{2}-1\] x-intercept Help!!!
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.
jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
i coulda sworn i did this problem, but lets do it again two ways.
anonymous
  • anonymous
first way is to expand and get \[2(x-2)(x-2)-1=2(x^2-4x+4)-1=2x^2-8x+8-1\] \[=2x^2-8x+7\]
anonymous
  • anonymous
now you can use the quadratic formula if you like, or you can complete the square

Looking for something else?

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

More answers

anonymous
  • anonymous
x-intercept is where the graph crosses the x-axis. There are two of these, they are called the zero's of x. One is 1.2928932, and the other is: x= 2.707
anonymous
  • anonymous
do you want to complete the square? it may be easier in this case.
anonymous
  • anonymous
ok so the x-intercept is 1.3 and 2.7 what would y-intercept be???
anonymous
  • anonymous
actually the x - intercepts are \[\frac{4\pm\sqrt{2}}{2}\]

Looking for something else?

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