richi1 richi1
  • 03-03-2018
  • Mathematics
contestada

Solve the equation using square roots. x2 -9=0

Respuesta :

acworden72 acworden72
  • 03-03-2018
x^2 - 9 = 0
x^2 = 9
x = 3

3^2 - 9 = 0
9 - 9 = 0
0 = 0

The answer is x = 3

Hope this helps =)
Answer Link
NoNameWasGiven
NoNameWasGiven NoNameWasGiven
  • 26-02-2021

Answer: x = 3, x= - 3

Step-by-step explanation:

x^2 - 9 = 0

=> x^2 = 9

=> x = 3, x= - 3

Answer Link

Otras preguntas

Two factors of –48 have a difference of 19. The factor with a greater absolute value is positive.
examples explaining the proverb every cloud has a silver lining
which definition is the best for “semipermeable membrane”?
3r(2p-5)-p(2p-5) factorise it
Who assassinated President John F. Kennedy? Jack Ruby Lee Harvey Oswald Yuri Gagarin Alan Shepard
hi may someone help me out with this please
which house is base on population according to the great compromise ?
What will 4 balloons cost if 10 balloons cost £3.00
Z varies inversely with the product of x and y. When x=2 and y=4, z=0.5 what is the value of z when x=4 and y=9?
read this excerpt from mark twain's life on the mississippi: he would speak of the 'labboard' side of a horse in an easy, natural way that would make one wish h