gilmarp0210a
gilmarp0210a gilmarp0210a
  • 01-06-2021
  • Mathematics
contestada

Soren solves the quadratic equation x^2 + 8x – 9 = 0 using the quadratic formula. In which step did Soren make an error?

Soren solves the quadratic equation x2 8x 9 0 using the quadratic formula In which step did Soren make an error class=

Respuesta :

asmaNasr
asmaNasr asmaNasr
  • 01-06-2021

Answer:

step 3 didn't divide by 2

Step-by-step explanation:

in step

[tex] \frac{ - 8 + \sqrt{100} }{2} = \frac{ - 8 + 10}{2} = 1 \\ \frac{ - 8 - \sqrt{100} }{2} = \frac{ - 8 - 10}{2} = - 9[/tex]

Answer Link

Otras preguntas

Who coined the term "sociology" to describe a new way of looking at society?
What is the vocal jazz technique that uses nonsense syllables for improvisation?
A lion accelerates from rest at a rate of 4.2 m/s. How far has the lion gone after 4 seconds?
When migrating to be united states durin the 1840s,irish immigrants primarily sought rural location.?
I don't know if I am right , please someone help me !
Which one is correct? They wait for him to come back. A. Ellos espera que él regrese. B. Ellos esperan que él regrese. C. Ellos esperamos que él regrese. D.
A volcanic eruption can cause a primary disturbance in an ecosystem. What is a primary disturbance
Can someone help please
The harsh wind scoured the scant remaining leaves from the trees, and a desolate landscape remained in its wake. a dependent clause. an independent clause. a s
classify the planets as terrestrial planets or gas giants