katieb2119 katieb2119
  • 20-09-2022
  • Mathematics
contestada

2x^2+1=9
find x please!!! will give brainliest

Respuesta :

Themandmtheyes Themandmtheyes
  • 20-09-2022

Answer: x = -2, 2

Step-by-step explanation:

2x^2 + 1 = 9

        -1.     -1

2x^2 = 8

2x^2/2 = 8/2

x^2 = 4

[tex]\sqrt{x^2} = \sqrt{4}[/tex]

x = -2, 2

Answer Link

Otras preguntas

A diminished triad is ______a triad with a 5º. A. augmented B. major C. chord D. minor
Find the equation of the line passing through the points (3,-2) and (4, 6). y = 8x + [?]
state at least seven important facts about the creation story​
help please ??????????????
Who was the leader of the Protestant Reformation, and in what city was he tried for heresy
Consider function g. 6, -8 < x <-2 2 g(x) = 0, -2 -4, 4 < x < 10 What are the values of the function when x = -2 and when r = 4? gl-2) = 3 g(4) = N
Five obstacles that must be overcome converting from traditional system to lean
A 0.15 M solution of BaCl2 contains: Group of answer choices 0.30 M Ba2 ions and 0.30 M Cl- ions. 0.15 M Ba2 ions and 0.15 M Cl- ions. 0.30 M Ba2 ions and 0.
Help pleaseIdentify the vertex and the y-intercept of the graph of the function.y = 0.5(x – 3)²
An object In geometry with no width,length or height is a: A. angleB. lineC. point D. ray