rainrodriguez002
rainrodriguez002 rainrodriguez002
  • 23-09-2021
  • Mathematics
contestada

5. Which is (are) the root(s) of 64x^2 – 324 = 0?
O x = 2.25
O x = +/-2.25
O x = +/-4
O x = 0

Respuesta :

anasweeney43 anasweeney43
  • 26-09-2021

Answer:

X = 2.25

Step-by-step explanation:

64 x^2 - 324 = 0

64 x^2 = (8x)^2

(8x)^2 = 324

Square root both sides:

8x = sqrt 324

8x = 18

x = 18/8

x = 2.25

Answer Link

Otras preguntas

How is a plateau similar to a plain?
Simplify the expression 7v + 2w-12v
what part of speech is abundant
Millions of Americans are subjected to drug testing in the workplace.  The tests are not always reliable.  A false positive rate of 5% is considered to be a con
what part of speech is abundant
I need help with an acrostic poem about the act, here us what I got: Sons of liberty fought this Tax Another unpopular tax M Patrick Henry argued about unfair
3 sisters, veronica, Mary and aAnna went out on a blind date with 3 brothers.  Veronica ended up holding hands with her date.  Mary certainly wasn't the one kis
a sporting goods store offers a 40% discount on all gulf clubs. rocco spent 20% of the money in his savings account on a golf putter. he paid $48 for the putter
How to show your work to solve  3r^2-16r-7=5
a retailer buys a shirt in bulk at a unit price of $18. the shirt is marked up 36%to sell in the store. what is the price of the shirt in the store