Reasmrlife Reasmrlife
  • 03-05-2021
  • Mathematics
contestada

I need help plz ASAP

2x^2-7=-7

This is solving quadratic functions by square roots btw

Respuesta :

clarch19
clarch19 clarch19
  • 03-05-2021

Answer:

x = 0

Step-by-step explanation:

add 7 to each side to get:

2x² = 0

divide each side by 2 to get:

x² = 0

take square root of each side to get:

x = [tex]\sqrt{0}[/tex]

x = 0

Answer Link
Tasyha
Tasyha Tasyha
  • 19-08-2021

Answer:

x = 0

Step-by-step explanation:

[tex] {2x}^{2} - 7 = - 7[/tex]

[tex] = {2x}^{2} = 0[/tex]

[tex] = {2x}^{2} \div 2 = 0 \div 2[/tex]

[tex] = {x}^{2} = 0 \div 2[/tex]

[tex] = {x}^{2} = 0[/tex]

[tex] = x = 0[/tex]

Answer Link

Otras preguntas

HEL----PPPPpppppppppppppppppppppppppppppp
civilización nazca se estableció establecieron y generaron​
Why was Themistocles ostracized?
What was one outcome of the spanish american war
Help FAST PLSS!!! What is the period of a wave with a wavelength of 8 cm and a frequency of 0.5 hertz?(1 point) 0.125 seconds 4 seconds 0.0625 seconds 2 seconds
Which religion spread throughout Asia as a result of trade along the Silk Road? O Buddhism O Judaism O traditional Greek religion O traditional Roman religion
liz has 4/8 of cake and ruby and marks doesnt want it
find the Hcf15 and 3​
How many answers does this equation have? 77-x=(77+x)*-1
sales of 10 000 increase by 65 each year​