polly16
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For which of the following is x=-5 a solution. Select all that apply

1. X+10=-5

2. -x^2+50=25

3. |2X|=10

4. X=O

5. 2x<10

For which of the following is x5 a solution Select all that apply 1 X105 2 x25025 3 2X10 4 XO 5 2xlt10 class=

Respuesta :

bluegreen24

Answer/step-by-step explanation:

Number 1:

  • x + 10 = -5
  • x = -15
  • No.

Number 2:

  • [tex]-x^{2} + 50 = 25[/tex]
  • [tex]-x^{2} = -25[/tex]
  • [tex]x^{2} = 25[/tex]
  • [tex]x = -5,5[/tex]
  • Yes.

Number 3:

  • [tex]|2x| = 10[/tex]
  • [tex]2x = 10[/tex]
  • [tex]x = 5[/tex]
  • [tex]2x = -10[/tex]
  • [tex]x = -5[/tex]
  • Yes.

Number 4:

  • [tex]x < 0[/tex]
  • [tex]-5 < 0[/tex]
  • Yes.

Number 5:

  • [tex]2x < 10[/tex]
  • [tex]x < 5[/tex]
  • [tex]-5 < 5[/tex]
  • Yes.