anonymous
  • anonymous
Which of the following is a solution of 4x2 = - 9x - 4?
Mathematics
  • Stacey Warren - Expert brainly.com
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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.
schrodinger
  • schrodinger
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pooja195
  • pooja195
Do the directions specify what we have to solve by? Quadratic formula or Factoring?
pooja195
  • pooja195
Step one: We need to get the equation into \[\huge~\rm~ax^2+bx+c=0 \] form. What do we do to get the equation into this form?
anonymous
  • anonymous
Quadratic formula

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More answers

anonymous
  • anonymous
would i minus the 4x^2 on both sides?
pooja195
  • pooja195
yes! :)
anonymous
  • anonymous
ok now what ?
pooja195
  • pooja195
\[\huge~\rm-4x^2- 9x - 4=0\]
pooja195
  • pooja195
list your A B C values now :)
anonymous
  • anonymous
a.9 plus or minus the square root of 17 divided by 8. b.negative 9 plus or minus the square root of 145 divided by 8. c.9 plus or minus the square root of 145 divided by 8. d.negative 9 plus or minus the square root of 17 divided by 8
pooja195
  • pooja195
abc values...
anonymous
  • anonymous
i dont understand:/
pooja195
  • pooja195
ax^2+bx+c=0 -4x^2-9x-4=0 name the abc values now
anonymous
  • anonymous
a=-4 b=-9 c=-4? like that
pooja195
  • pooja195
Yes :) \[\huge~\rm~~x=\frac{ -(-9)~\pm \sqrt{(-9)^2-4(-4)(-4)} }{ 2(-4) } \]
pooja195
  • pooja195
Solve \[\huge~\rm~~x=\frac{ 9~\pm \sqrt{(-9)^2-4(-4)(-4)} }{ 2(-4) } \]
anonymous
  • anonymous
\[\frac{ 81-64? }/-8
anonymous
  • anonymous
is this right?
pooja195
  • pooja195
Not quite look at this: http://prntscr.com/7mvafb
anonymous
  • anonymous
that makes a lot more since lol thank you so much. i got tones more but ill use your method lol
pooja195
  • pooja195
:) try this: http://www.mathwarehouse.com/quadratic/quadratic-formula-calculator.php

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