anonymous
  • anonymous
Solve: 16x2 − 81 = 0. x = 4, 9 x = −4, −9 x = 9 over 4, x = −9 over 4 x = 81 over 16, x = −81 over 16
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.
schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Vocaloid
  • Vocaloid
hint: 16x^2 - 81 = A^2 - B^2 can you tell me what A and B are?
abb0t
  • abb0t
@pooja195 can help!
anonymous
  • anonymous
A and B are the numbers

Looking for something else?

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

More answers

Vocaloid
  • Vocaloid
right, but which numbers? 16x^2 - 81 = A^2 - B^2 what is A = ?
anonymous
  • anonymous
- 9 over 4?
Vocaloid
  • Vocaloid
... what? |dw:1439571060249:dw|
Vocaloid
  • Vocaloid
so, if A^2 = 16x^2, what is A?
anonymous
  • anonymous
A is 16x^2
Vocaloid
  • Vocaloid
nope, not quite... A^2 = 16x^2 A = ?
anonymous
  • anonymous
A is 16^2
Vocaloid
  • Vocaloid
nope, try one more time... A^2 = 16x^2 A = square root of A^2 = ?
anonymous
  • anonymous
ITS 100
anonymous
  • anonymous
?
Vocaloid
  • Vocaloid
what is the square root of 16x^2?
anonymous
  • anonymous
Well 256 is what 16 times 16 equals but its Square root would just be 16 ._.
Vocaloid
  • Vocaloid
not quite let's break it into two parts: 16 and x^2 what is the square root of 16?
anonymous
  • anonymous
4
Vocaloid
  • Vocaloid
right, now what's the square root of x^2?
anonymous
  • anonymous
Thanks for the help I already firguered out the answer its B
anonymous
  • anonymous
I mean C

Looking for something else?

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